<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:9bf23666-75ad-4022-a232-0910469e17c1,g:5735ce56-4db8-4149-9934-2cf8f05e33e6-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.rackspace.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="rxt-20231231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_e712b1f3-5c9a-4e23-9e56-6828af404e25" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_e712b1f3-5c9a-4e23-9e56-6828af404e25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_a710c046-81e6-432b-8bbb-fc71044c3671" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_InterestPayableCurrent_a710c046-81e6-432b-8bbb-fc71044c3671" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsCurrent_d90fc850-e0a5-4217-8dfb-9c3a93a19738" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_rxt_FinancingObligationsCurrent_d90fc850-e0a5-4217-8dfb-9c3a93a19738" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_18601e92-5151-41f1-9f15-8ac4fb83db0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_18601e92-5151-41f1-9f15-8ac4fb83db0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_f2a150b6-24ec-4ba1-a922-2dd36d3336c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_f2a150b6-24ec-4ba1-a922-2dd36d3336c6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_17743f43-edf5-4c39-80c7-a1a2475583e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_LongTermDebtCurrent_17743f43-edf5-4c39-80c7-a1a2475583e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_59836f34-95a1-4c2c-b7db-df3f3cdde86b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_59836f34-95a1-4c2c-b7db-df3f3cdde86b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_87b3e582-00a6-4962-a908-49c85128069c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_87b3e582-00a6-4962-a908-49c85128069c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_bf353746-578d-47f4-b4ba-0989cca2c7ca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_1997ff0f-9920-4e8f-9e09-feaa49ea00fa" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_bf353746-578d-47f4-b4ba-0989cca2c7ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_7509ef43-2d72-4510-ba08-24204bd2fe75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_fa06f053-68f1-4669-b992-ea08d2c4cf87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_7509ef43-2d72-4510-ba08-24204bd2fe75" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_fa06f053-68f1-4669-b992-ea08d2c4cf87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_86eea584-ff84-43ca-aa8d-dbe1ce1c8c4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_7509ef43-2d72-4510-ba08-24204bd2fe75" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_86eea584-ff84-43ca-aa8d-dbe1ce1c8c4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_7f2c3876-e4fd-41d0-b5cb-f1724b313c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_7509ef43-2d72-4510-ba08-24204bd2fe75" xlink:to="loc_us-gaap_OtherAssetsCurrent_7f2c3876-e4fd-41d0-b5cb-f1724b313c1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_596ceedb-46a2-4a06-9b3a-c28e95a7e5ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_7509ef43-2d72-4510-ba08-24204bd2fe75" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_596ceedb-46a2-4a06-9b3a-c28e95a7e5ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_b8639aef-904b-4e14-b099-fb8dd17c6314" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_b8639aef-904b-4e14-b099-fb8dd17c6314" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9a317b34-965e-4318-b946-96846ccb0627" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_9a317b34-965e-4318-b946-96846ccb0627" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_c7f63925-3d1a-48ad-970f-a1497fef441c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_AssetsCurrent_c7f63925-3d1a-48ad-970f-a1497fef441c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30f16b71-8bbe-4106-865c-e321f8bde507" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_30f16b71-8bbe-4106-865c-e321f8bde507" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f5d4d171-a26b-4ce8-883d-770634118539" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_Goodwill_f5d4d171-a26b-4ce8-883d-770634118539" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_44f3d80e-6aa3-4098-91f9-829d49734e16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_0d0ca840-dba3-4f6a-a4e1-0b5c5f7cdc17" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_44f3d80e-6aa3-4098-91f9-829d49734e16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c990bed4-ccc4-4688-b34e-5d9a07efc08d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_c990bed4-ccc4-4688-b34e-5d9a07efc08d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_18c3c954-b952-4c3b-be47-200ca2348228" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_18c3c954-b952-4c3b-be47-200ca2348228" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_504147f9-9955-49eb-ad42-c4299d11df94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_504147f9-9955-49eb-ad42-c4299d11df94" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_66c20a0e-f188-46f5-a6fd-d1c05b3bbbb5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_LiabilitiesCurrent_66c20a0e-f188-46f5-a6fd-d1c05b3bbbb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsNoncurrent_7eac686d-73fe-44aa-92a4-9e47db41a483" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_rxt_FinancingObligationsNoncurrent_7eac686d-73fe-44aa-92a4-9e47db41a483" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_5401dc7f-9e41-49ec-9ae2-c87d9c3f0784" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_5401dc7f-9e41-49ec-9ae2-c87d9c3f0784" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_870f4bf2-7744-4f0b-9167-fa6281af2a27" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_59ca69f6-773b-44d0-9982-664a9ac7153e" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_870f4bf2-7744-4f0b-9167-fa6281af2a27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_32cf576b-31bb-415d-bca2-602942a548ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9619f251-722f-4a4b-bd8f-2cd748b928d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32cf576b-31bb-415d-bca2-602942a548ff" xlink:to="loc_us-gaap_Liabilities_9619f251-722f-4a4b-bd8f-2cd748b928d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_127a57e7-506b-41df-86a7-1a7c27657e4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32cf576b-31bb-415d-bca2-602942a548ff" xlink:to="loc_us-gaap_CommitmentsAndContingencies_127a57e7-506b-41df-86a7-1a7c27657e4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a3aed0e2-a040-4ed4-adc9-dffa492a27a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_32cf576b-31bb-415d-bca2-602942a548ff" xlink:to="loc_us-gaap_StockholdersEquity_a3aed0e2-a040-4ed4-adc9-dffa492a27a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5a0eadf4-5c38-4af7-8f45-001d52aed22f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5a0eadf4-5c38-4af7-8f45-001d52aed22f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_e29b56b4-c969-43bb-b1bd-3e35e600185e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_CommonStockValue_e29b56b4-c969-43bb-b1bd-3e35e600185e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_13e8b829-9180-41b9-b5fa-ed76e4d67194" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_13e8b829-9180-41b9-b5fa-ed76e4d67194" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_0628b7a8-15eb-41af-94a1-2ae6d3b09b10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_AdditionalPaidInCapital_0628b7a8-15eb-41af-94a1-2ae6d3b09b10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_bfd58aae-a9ca-4c1e-b4ec-3d762cd4d57f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_PreferredStockValue_bfd58aae-a9ca-4c1e-b4ec-3d762cd4d57f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_4459ee3e-8a17-4666-a786-828331a4944e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_4523ce83-286b-4fc7-8a11-65187640b017" xlink:to="loc_us-gaap_TreasuryStockCommonValue_4459ee3e-8a17-4666-a786-828331a4944e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="simple" xlink:href="rxt-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_86b93d13-6cdf-4a52-9a7c-7e268de85c2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_3a7c10c1-a9bf-4e83-aac6-4889c0142226" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_86b93d13-6cdf-4a52-9a7c-7e268de85c2e" xlink:to="loc_us-gaap_NetIncomeLoss_3a7c10c1-a9bf-4e83-aac6-4889c0142226" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_7b847ab9-ddbc-429b-a8b0-e9ff824d0c29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_86b93d13-6cdf-4a52-9a7c-7e268de85c2e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_7b847ab9-ddbc-429b-a8b0-e9ff824d0c29" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ff4ad0e5-9273-48cd-ab3e-36959a1409bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_e22adb9e-b64e-4344-b527-1deb53cab53f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ff4ad0e5-9273-48cd-ab3e-36959a1409bd" xlink:to="loc_us-gaap_OperatingIncomeLoss_e22adb9e-b64e-4344-b527-1deb53cab53f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_7b3dddf1-7dce-47ad-bd92-32194bd2ac33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_ff4ad0e5-9273-48cd-ab3e-36959a1409bd" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_7b3dddf1-7dce-47ad-bd92-32194bd2ac33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_4cf2c0c9-32c4-444b-af76-33fc2828ea41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_66314d79-48bf-433d-b844-2fe76d482fa1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_4cf2c0c9-32c4-444b-af76-33fc2828ea41" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_66314d79-48bf-433d-b844-2fe76d482fa1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_05bbcdee-04df-4267-97ab-f2e2a9a78dc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_4cf2c0c9-32c4-444b-af76-33fc2828ea41" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_05bbcdee-04df-4267-97ab-f2e2a9a78dc4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_562247c8-3267-4a27-a9d6-b657f60da732" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_4cf2c0c9-32c4-444b-af76-33fc2828ea41" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_562247c8-3267-4a27-a9d6-b657f60da732" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_ff268c47-73b2-47f4-a9f1-4959c1f102e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_b8f99ba7-c124-4845-85e6-917cb7edd3bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ff268c47-73b2-47f4-a9f1-4959c1f102e0" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_b8f99ba7-c124-4845-85e6-917cb7edd3bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_1003f9bb-7e56-4656-bd02-2c14970445dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ff268c47-73b2-47f4-a9f1-4959c1f102e0" xlink:to="loc_us-gaap_InterestExpense_1003f9bb-7e56-4656-bd02-2c14970445dd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_cb0f9199-ee1a-4f00-ab2f-c9d2f9827fe6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ff268c47-73b2-47f4-a9f1-4959c1f102e0" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_cb0f9199-ee1a-4f00-ab2f-c9d2f9827fe6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_87ce00f2-5334-4299-b535-a3b489328f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_ff268c47-73b2-47f4-a9f1-4959c1f102e0" xlink:to="loc_us-gaap_GainLossOnInvestments_87ce00f2-5334-4299-b535-a3b489328f3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_464822d3-50b7-4688-922f-aeb2958b71ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c8dc72d4-cfaf-4d1d-9386-bbbdd2902948" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_464822d3-50b7-4688-922f-aeb2958b71ce" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_c8dc72d4-cfaf-4d1d-9386-bbbdd2902948" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_f871aa93-0bed-4e25-9920-64b4cabd5a01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_464822d3-50b7-4688-922f-aeb2958b71ce" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_f871aa93-0bed-4e25-9920-64b4cabd5a01" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_556fe337-9c51-445b-aa1d-f122bb3bc4b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_556fe337-9c51-445b-aa1d-f122bb3bc4b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_c662c0fe-0cea-489d-bc7a-5b0a9293ccab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:to="loc_us-gaap_GrossProfit_c662c0fe-0cea-489d-bc7a-5b0a9293ccab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_4e0f42c3-b411-4a0a-9bb4-8af378bb6b70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_4e0f42c3-b411-4a0a-9bb4-8af378bb6b70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_966b6d51-52f3-468b-90ff-9d3a5391a9c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_966b6d51-52f3-468b-90ff-9d3a5391a9c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_AssetsImpairmentChargesExcludingGoodwill_2ea76a39-8664-45e9-9eff-b83f2bdfdeba" xlink:href="rxt-20231231.xsd#rxt_AssetsImpairmentChargesExcludingGoodwill"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_39dd70b4-9f82-4f52-bb4b-01926aa35f1f" xlink:to="loc_rxt_AssetsImpairmentChargesExcludingGoodwill_2ea76a39-8664-45e9-9eff-b83f2bdfdeba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_417797cf-07ca-454b-a676-b6dd8e07fe1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_a53745cd-d8d2-449b-8ee8-58103f843edb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_417797cf-07ca-454b-a676-b6dd8e07fe1f" xlink:to="loc_us-gaap_CostOfRevenue_a53745cd-d8d2-449b-8ee8-58103f843edb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5f212d5b-baba-4397-9f1c-5f1fdff20d6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_417797cf-07ca-454b-a676-b6dd8e07fe1f" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_5f212d5b-baba-4397-9f1c-5f1fdff20d6f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="rxt-20231231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_34cbd2ea-0ecb-4a92-a01c-aed082cea43b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3dadf65a-a052-4b43-bb60-1a008bd374c0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_34cbd2ea-0ecb-4a92-a01c-aed082cea43b" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3dadf65a-a052-4b43-bb60-1a008bd374c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_5b0ecdd0-ef04-495a-aab2-3dc26881bcb1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_34cbd2ea-0ecb-4a92-a01c-aed082cea43b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_5b0ecdd0-ef04-495a-aab2-3dc26881bcb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireNotesReceivable_f5006de7-be66-427b-9343-36d9ecbcb3c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireNotesReceivable"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:to="loc_us-gaap_PaymentsToAcquireNotesReceivable_f5006de7-be66-427b-9343-36d9ecbcb3c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_07265355-e395-4e2d-8970-b8bb6098c6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_07265355-e395-4e2d-8970-b8bb6098c6dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_add3829a-6368-4c25-9b06-426eae81c758" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_add3829a-6368-4c25-9b06-426eae81c758" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_bd782b55-004d-4e8e-860f-3fbcaebc1dce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_bd782b55-004d-4e8e-860f-3fbcaebc1dce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_985aa074-f1cd-435a-980e-7f20683d8fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_d07ef911-1721-42df-bf3e-aee79d6d3d8c" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_985aa074-f1cd-435a-980e-7f20683d8fb1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8437acf4-75fa-4afa-995d-26c101410344" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_8437acf4-75fa-4afa-995d-26c101410344" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_56273244-b0d2-4608-8dd9-26db10c6cb95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_56273244-b0d2-4608-8dd9-26db10c6cb95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_fab0b41b-5b78-4a9d-99c9-4cfc9141af33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfProperties"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_GainLossOnSaleOfProperties_fab0b41b-5b78-4a9d-99c9-4cfc9141af33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_cba671dd-9f40-445f-81a8-de8f7923f52e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_cba671dd-9f40-445f-81a8-de8f7923f52e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FairValueAdjustmentNoteReceivable_afa55a31-7278-4bd8-9083-392636d29216" xlink:href="rxt-20231231.xsd#rxt_FairValueAdjustmentNoteReceivable"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_rxt_FairValueAdjustmentNoteReceivable_afa55a31-7278-4bd8-9083-392636d29216" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_44dbac85-33a7-4f41-af6d-bb1b3e92e37a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense_44dbac85-33a7-4f41-af6d-bb1b3e92e37a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_aabb4e6e-7938-4d78-bf87-dcae15512650" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_aabb4e6e-7938-4d78-bf87-dcae15512650" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherDepreciationAndAmortization_f37bf071-8ca7-4fb7-94f8-1d638ad56132" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherDepreciationAndAmortization"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_OtherDepreciationAndAmortization_f37bf071-8ca7-4fb7-94f8-1d638ad56132" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_a4ba9b41-833c-47df-8bdb-cdb59e30d565" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingLeaseLiability_a4ba9b41-833c-47df-8bdb-cdb59e30d565" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_bd632f88-500b-4330-8570-86902936d2cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_bd632f88-500b-4330-8570-86902936d2cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_c6820f23-80b9-47a9-9413-e74649882e99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_c6820f23-80b9-47a9-9413-e74649882e99" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_a981b0c3-f6d4-4456-869d-185b56639313" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_a981b0c3-f6d4-4456-869d-185b56639313" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_f6cfa3dc-878d-4fac-8416-335b834b7df3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_f6cfa3dc-878d-4fac-8416-335b834b7df3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_c8f43cb3-3ad5-4d6f-b230-6fedf96dc739" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_NetIncomeLoss_c8f43cb3-3ad5-4d6f-b230-6fedf96dc739" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_190cd3cd-ab64-429c-924a-367ae45dff50" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_190cd3cd-ab64-429c-924a-367ae45dff50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_df40f300-301f-4720-956f-ce746e967dfb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_df40f300-301f-4720-956f-ce746e967dfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet_df0e0657-5b50-45d0-b625-ccd10b4f72e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet_df0e0657-5b50-45d0-b625-ccd10b4f72e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d1995b75-4506-4293-a5de-0d62e212c407" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d1995b75-4506-4293-a5de-0d62e212c407" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_973701b1-3522-4ee9-aeea-3fa4cd288242" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_ShareBasedCompensation_973701b1-3522-4ee9-aeea-3fa4cd288242" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfInvestments_5bcc764a-485c-4f5f-99a1-fd4788e34a1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainLossOnSaleOfInvestments"/>
    <link:calculationArc order="20" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_GainLossOnSaleOfInvestments_5bcc764a-485c-4f5f-99a1-fd4788e34a1a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0dd7ec6e-dcac-4baf-a17f-07c115ab7ef2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="21" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_76d13d9e-0d4b-4c63-9e30-27f1245359a0" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_0dd7ec6e-dcac-4baf-a17f-07c115ab7ef2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_RepaymentsOfFinancingObligations_f1a89b39-fa86-41f6-80f2-c51b4b974dff" xlink:href="rxt-20231231.xsd#rxt_RepaymentsOfFinancingObligations"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_rxt_RepaymentsOfFinancingObligations_f1a89b39-fa86-41f6-80f2-c51b4b974dff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_9b7e2a00-e668-4d9d-a4e6-aa73df6a8986" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_9b7e2a00-e668-4d9d-a4e6-aa73df6a8986" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_fceba017-74ad-49e1-9a39-63d097c7fe88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_fceba017-74ad-49e1-9a39-63d097c7fe88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_708eebeb-b660-40b0-9c8f-4992db80c9da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_ProceedsFromStockPlans_708eebeb-b660-40b0-9c8f-4992db80c9da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_4ef6bbdf-ed75-4b25-a28d-abd43678b40a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForDerivativeInstrumentFinancingActivities"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_4ef6bbdf-ed75-4b25-a28d-abd43678b40a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_ae48d789-008d-4ad0-b63c-7c532b99e709" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_ae48d789-008d-4ad0-b63c-7c532b99e709" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_51dd96be-6faf-4add-a51f-40ada0924b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_51dd96be-6faf-4add-a51f-40ada0924b5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_3d3be056-8282-4308-adbd-e0455a3d1e08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_3d3be056-8282-4308-adbd-e0455a3d1e08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_84cf61e1-ce84-493a-9320-7b49ea968c51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_84cf61e1-ce84-493a-9320-7b49ea968c51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_ae55fd32-617c-4570-9f98-126dbc648544" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_11c19d13-299f-4acf-8791-627352e9f075" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_ae55fd32-617c-4570-9f98-126dbc648544" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_86560d5b-6274-4efe-a1a7-fb248c5b69d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_86fe74e6-0cdf-4538-abcd-7827c605917e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_86560d5b-6274-4efe-a1a7-fb248c5b69d6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_86fe74e6-0cdf-4538-abcd-7827c605917e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_63cc2255-8fa4-4f93-98b7-3fc580a7ceeb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_86560d5b-6274-4efe-a1a7-fb248c5b69d6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_63cc2255-8fa4-4f93-98b7-3fc580a7ceeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1bae9cc9-eaab-480d-9efd-4b1e52082e11" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_86560d5b-6274-4efe-a1a7-fb248c5b69d6" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1bae9cc9-eaab-480d-9efd-4b1e52082e11" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bdd270d9-9394-4708-9722-29bad3b364c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_86560d5b-6274-4efe-a1a7-fb248c5b69d6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_bdd270d9-9394-4708-9722-29bad3b364c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_NoncashPurchaseOfCapitalExpenditures_e0bf3729-9ac2-479d-9382-8d5288f10b61" xlink:href="rxt-20231231.xsd#rxt_NoncashPurchaseOfCapitalExpenditures"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_CapitalExpendituresAcquiredByFinancingObligations_34537ae0-c5eb-4283-83a0-47b1ddf54c54" xlink:href="rxt-20231231.xsd#rxt_CapitalExpendituresAcquiredByFinancingObligations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_NoncashPurchaseOfCapitalExpenditures_e0bf3729-9ac2-479d-9382-8d5288f10b61" xlink:to="loc_rxt_CapitalExpendituresAcquiredByFinancingObligations_34537ae0-c5eb-4283-83a0-47b1ddf54c54" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_IncreaseDecreaseInAccruedLiabilitiesForCapitalExpenditures_ed141ce0-22ec-4897-bd5c-05054d34ae21" xlink:href="rxt-20231231.xsd#rxt_IncreaseDecreaseInAccruedLiabilitiesForCapitalExpenditures"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_NoncashPurchaseOfCapitalExpenditures_e0bf3729-9ac2-479d-9382-8d5288f10b61" xlink:to="loc_rxt_IncreaseDecreaseInAccruedLiabilitiesForCapitalExpenditures_ed141ce0-22ec-4897-bd5c-05054d34ae21" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_CapitalExpendituresAcquiredByFinanceLeases_20ee857d-4e04-4771-967e-7e8c22879c35" xlink:href="rxt-20231231.xsd#rxt_CapitalExpendituresAcquiredByFinanceLeases"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_NoncashPurchaseOfCapitalExpenditures_e0bf3729-9ac2-479d-9382-8d5288f10b61" xlink:to="loc_rxt_CapitalExpendituresAcquiredByFinanceLeases_20ee857d-4e04-4771-967e-7e8c22879c35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_OtherNoncashInvestingAndFinancingActivity_fa3a10e4-11ee-4780-8dbc-87945d971a20" xlink:href="rxt-20231231.xsd#rxt_OtherNoncashInvestingAndFinancingActivity"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_NoncashPurchaseOfCapitalExpenditures_e0bf3729-9ac2-479d-9382-8d5288f10b61" xlink:to="loc_rxt_OtherNoncashInvestingAndFinancingActivity_fa3a10e4-11ee-4780-8dbc-87945d971a20" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/PropertyEquipmentandSoftwarenetScheduleofPropertyEquipmentandSoftwarenetDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#PropertyEquipmentandSoftwarenetScheduleofPropertyEquipmentandSoftwarenetDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/PropertyEquipmentandSoftwarenetScheduleofPropertyEquipmentandSoftwarenetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_aa6d72a9-6b70-44f0-8e45-87d9fd0fda7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_9240ec76-a7dc-4acb-93cb-fe9afa6fc0fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_aa6d72a9-6b70-44f0-8e45-87d9fd0fda7e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_9240ec76-a7dc-4acb-93cb-fe9afa6fc0fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortizationExcludingConstructionInProgress_97a43f27-2e07-4821-b18d-6f0037a459fa" xlink:href="rxt-20231231.xsd#rxt_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortizationExcludingConstructionInProgress"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_aa6d72a9-6b70-44f0-8e45-87d9fd0fda7e" xlink:to="loc_rxt_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortizationExcludingConstructionInProgress_97a43f27-2e07-4821-b18d-6f0037a459fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_34f7f22e-f8e4-4ccb-ac08-2bd47f3cdfed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_aa6d72a9-6b70-44f0-8e45-87d9fd0fda7e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_34f7f22e-f8e4-4ccb-ac08-2bd47f3cdfed" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsChangesinCarryingAmountsofGoodwillbyReportableSegmentDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#GoodwillandIntangibleAssetsChangesinCarryingAmountsofGoodwillbyReportableSegmentDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/GoodwillandIntangibleAssetsChangesinCarryingAmountsofGoodwillbyReportableSegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_3023b6f4-902d-416f-8a8b-cf86383928bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1702ce0c-ef71-47ac-9388-55489a94ac86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_3023b6f4-902d-416f-8a8b-cf86383928bd" xlink:to="loc_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_1702ce0c-ef71-47ac-9388-55489a94ac86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillGross_2399769f-4d49-4349-9eac-362bbf8fb411" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Goodwill_3023b6f4-902d-416f-8a8b-cf86383928bd" xlink:to="loc_us-gaap_GoodwillGross_2399769f-4d49-4349-9eac-362bbf8fb411" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d61c579-b49d-46b8-b2bd-ef1327a9fd17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_be5755dc-f73e-4c80-b11c-5d84f00a401a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d61c579-b49d-46b8-b2bd-ef1327a9fd17" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_be5755dc-f73e-4c80-b11c-5d84f00a401a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9802afdb-2685-49dd-a881-f98da707cb2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_1d61c579-b49d-46b8-b2bd-ef1327a9fd17" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9802afdb-2685-49dd-a881-f98da707cb2b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_15738c47-3cec-4f09-b20a-284352249872" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_2f8e6064-6d67-4256-a7d2-ea8d0fabbcd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_15738c47-3cec-4f09-b20a-284352249872" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_2f8e6064-6d67-4256-a7d2-ea8d0fabbcd3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_18e198af-c624-4059-95d8-025d9606a21f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_15738c47-3cec-4f09-b20a-284352249872" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_18e198af-c624-4059-95d8-025d9606a21f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_26dc1ee8-f8af-4f67-8301-92a26486ac8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_cddc5258-3705-40e6-9f8c-474a758737b9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_26dc1ee8-f8af-4f67-8301-92a26486ac8d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_cddc5258-3705-40e6-9f8c-474a758737b9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_32e21965-eb41-477d-9bea-559939036907" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_26dc1ee8-f8af-4f67-8301-92a26486ac8d" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_32e21965-eb41-477d-9bea-559939036907" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails_1" xlink:type="simple" xlink:href="rxt-20231231.xsd#GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails_1"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_3dec4761-4fc2-4718-985f-9dda6489f232" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_74759aee-7fe1-4479-9257-cd376d2e1d75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_3dec4761-4fc2-4718-985f-9dda6489f232" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_74759aee-7fe1-4479-9257-cd376d2e1d75" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5977dae8-5902-472d-90c2-466ce24dd5dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_3dec4761-4fc2-4718-985f-9dda6489f232" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_5977dae8-5902-472d-90c2-466ce24dd5dd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsFutureAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#GoodwillandIntangibleAssetsFutureAmortizationofIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/GoodwillandIntangibleAssetsFutureAmortizationofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_85c0cfa6-f34c-442a-87ed-230184eedbf6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_85c0cfa6-f34c-442a-87ed-230184eedbf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_bb301739-2dcc-438f-823b-7493fcf0407a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_bb301739-2dcc-438f-823b-7493fcf0407a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_02b1264f-b54e-4bfc-8891-d805f90c8615" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_02b1264f-b54e-4bfc-8891-d805f90c8615" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_41f52952-e0b2-4c96-9fec-57944e8574a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_41f52952-e0b2-4c96-9fec-57944e8574a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_af54760f-19b5-4029-b6ed-aa2d0784b210" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_af54760f-19b5-4029-b6ed-aa2d0784b210" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_15405282-fcde-4223-bc76-9a5ae99b573f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_ee2dbc51-58b2-43ae-802d-38be96669b02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_15405282-fcde-4223-bc76-9a5ae99b573f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/DebtScheduleofDebtDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#DebtScheduleofDebtDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/DebtScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_e56634ac-4b57-4076-800d-513fada668e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_ae285ab7-740e-4aae-9365-baa7b769194a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_e56634ac-4b57-4076-800d-513fada668e2" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_ae285ab7-740e-4aae-9365-baa7b769194a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_c76b2ba6-ac74-487c-8bc4-2853d52b81bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_e56634ac-4b57-4076-800d-513fada668e2" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_c76b2ba6-ac74-487c-8bc4-2853d52b81bd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f9027e13-2bf8-433a-b724-bf19f24cde86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_e56634ac-4b57-4076-800d-513fada668e2" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_f9027e13-2bf8-433a-b724-bf19f24cde86" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/DebtScheduleofDebtDetails_1" xlink:type="simple" xlink:href="rxt-20231231.xsd#DebtScheduleofDebtDetails_1"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/DebtScheduleofDebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_f26e34dc-62cd-42c0-b56f-cd575bca0899" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_e697623a-435d-473e-ab35-cdc5906787a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f26e34dc-62cd-42c0-b56f-cd575bca0899" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_e697623a-435d-473e-ab35-cdc5906787a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_2083b8b0-a8fd-45ff-a02e-545f5b523852" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_f26e34dc-62cd-42c0-b56f-cd575bca0899" xlink:to="loc_us-gaap_LongTermDebtCurrent_2083b8b0-a8fd-45ff-a02e-545f5b523852" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/DebtMaturitiesDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#DebtMaturitiesDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/DebtMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_b5c2813d-6069-4539-869d-c35904cf3c63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_b5c2813d-6069-4539-869d-c35904cf3c63" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_d180562c-f267-434e-88f1-93092f0636ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_d180562c-f267-434e-88f1-93092f0636ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_70b6cec7-b1f2-4e68-98cd-04d31b67e663" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_70b6cec7-b1f2-4e68-98cd-04d31b67e663" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_930ac9f4-19b5-4419-b716-cba40e36cdec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_930ac9f4-19b5-4419-b716-cba40e36cdec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_08dd95ef-2eb2-4785-b680-c48deab9ce4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_08dd95ef-2eb2-4785-b680-c48deab9ce4f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_bfc5fd9a-ee07-4317-851a-966d62293e24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_83cab384-c88d-4c6f-968c-b069acc57bf0" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_bfc5fd9a-ee07-4317-851a-966d62293e24" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/LeasesPropertyandEquipmentUnderFinanceLeasesDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#LeasesPropertyandEquipmentUnderFinanceLeasesDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/LeasesPropertyandEquipmentUnderFinanceLeasesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_a1a26e85-b7dd-448e-8930-737ee91e5fea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_690abdc5-ab67-4f4d-a2ab-a441cb3b1d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_a1a26e85-b7dd-448e-8930-737ee91e5fea" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization_690abdc5-ab67-4f4d-a2ab-a441cb3b1d4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_7e3ad8f2-44ad-4c2c-bd4f-348c1221dcd6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseRightOfUseAsset_a1a26e85-b7dd-448e-8930-737ee91e5fea" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_7e3ad8f2-44ad-4c2c-bd4f-348c1221dcd6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/LeasesCostDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#LeasesCostDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/LeasesCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinanceLeaseCost_dfeac233-2d23-47d8-9a0e-bfaa5276c828" xlink:href="rxt-20231231.xsd#rxt_FinanceLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0929ba03-0b19-49c7-aae3-72c04d87bc9d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinanceLeaseCost_dfeac233-2d23-47d8-9a0e-bfaa5276c828" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_0929ba03-0b19-49c7-aae3-72c04d87bc9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_b9844415-2483-4b9d-afa7-20a7e082cd87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinanceLeaseCost_dfeac233-2d23-47d8-9a0e-bfaa5276c828" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_b9844415-2483-4b9d-afa7-20a7e082cd87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_TotalOperatingLeaseCost_feac7ff7-6695-4909-a273-92243ce72d2a" xlink:href="rxt-20231231.xsd#rxt_TotalOperatingLeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_24e377ae-33a1-4bc1-8679-6c97109da8df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_TotalOperatingLeaseCost_feac7ff7-6695-4909-a273-92243ce72d2a" xlink:to="loc_us-gaap_ShortTermLeaseCost_24e377ae-33a1-4bc1-8679-6c97109da8df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_0390ce5e-7b49-492b-9059-fdc4950636ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubleaseIncome"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_TotalOperatingLeaseCost_feac7ff7-6695-4909-a273-92243ce72d2a" xlink:to="loc_us-gaap_SubleaseIncome_0390ce5e-7b49-492b-9059-fdc4950636ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_519fe8e4-2974-4c71-b600-aec6754fb77b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_TotalOperatingLeaseCost_feac7ff7-6695-4909-a273-92243ce72d2a" xlink:to="loc_us-gaap_OperatingLeaseCost_519fe8e4-2974-4c71-b600-aec6754fb77b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_44e9df14-0fd2-4177-946e-14d1e5c84e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableLeaseCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_TotalOperatingLeaseCost_feac7ff7-6695-4909-a273-92243ce72d2a" xlink:to="loc_us-gaap_VariableLeaseCost_44e9df14-0fd2-4177-946e-14d1e5c84e6f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/LeasesCashFlowDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#LeasesCashFlowDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/LeasesCashFlowDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_7c6aaed3-299e-4854-86b3-efa1258adf88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_NewRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_0e58e035-2e19-46fb-bd57-57ede27eb9cd" xlink:href="rxt-20231231.xsd#rxt_NewRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_7c6aaed3-299e-4854-86b3-efa1258adf88" xlink:to="loc_rxt_NewRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_0e58e035-2e19-46fb-bd57-57ede27eb9cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_ModifiedRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_5a76cd0e-a22d-42b1-9b84-341ab97125be" xlink:href="rxt-20231231.xsd#rxt_ModifiedRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_7c6aaed3-299e-4854-86b3-efa1258adf88" xlink:to="loc_rxt_ModifiedRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_5a76cd0e-a22d-42b1-9b84-341ab97125be" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/LeasesMaturityDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#LeasesMaturityDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/LeasesMaturityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_33cd74fa-a1b1-4dd5-beb4-59b085fd2392" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_f543c91d-0222-4419-91d2-d4a2a9ed0449" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_33cd74fa-a1b1-4dd5-beb4-59b085fd2392" xlink:to="loc_us-gaap_FinanceLeaseLiability_f543c91d-0222-4419-91d2-d4a2a9ed0449" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_4f76cf6b-4565-4bb2-9ac9-3131d4e839b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_33cd74fa-a1b1-4dd5-beb4-59b085fd2392" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_4f76cf6b-4565-4bb2-9ac9-3131d4e839b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e1711e94-9f10-4f16-8d13-04a12e3a852b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_e1711e94-9f10-4f16-8d13-04a12e3a852b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5a80f7a1-c7d8-47a7-8980-6efdcb84e1a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_5a80f7a1-c7d8-47a7-8980-6efdcb84e1a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_3f884ccf-0537-49d1-94fb-83d8762dd727" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_3f884ccf-0537-49d1-94fb-83d8762dd727" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_7a90777b-4f6e-49b9-b97a-026b19dcd5ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_7a90777b-4f6e-49b9-b97a-026b19dcd5ae" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_f32ef744-273a-41ae-bf47-c6dc03856469" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_f32ef744-273a-41ae-bf47-c6dc03856469" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_13b1696a-46ac-4ee9-98ff-e0b718625286" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_06e7ff9e-e51f-46db-aed5-4e9d8643f177" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_13b1696a-46ac-4ee9-98ff-e0b718625286" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/LeasesMaturityDetails_1" xlink:type="simple" xlink:href="rxt-20231231.xsd#LeasesMaturityDetails_1"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/LeasesMaturityDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b46a039e-18d6-4bd6-a9ad-f86f9d1811b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_cbe83b05-4299-46f3-bec5-ac28e7416812" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b46a039e-18d6-4bd6-a9ad-f86f9d1811b8" xlink:to="loc_us-gaap_OperatingLeaseLiability_cbe83b05-4299-46f3-bec5-ac28e7416812" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_7dd58047-f166-4cfa-acdc-2f3c840a395e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_b46a039e-18d6-4bd6-a9ad-f86f9d1811b8" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_7dd58047-f166-4cfa-acdc-2f3c840a395e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_25ccf124-9d95-44ae-b126-1364f605682e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_25ccf124-9d95-44ae-b126-1364f605682e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d8f00746-d3c4-4e07-9aaf-6a6fb2f4d2de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_d8f00746-d3c4-4e07-9aaf-6a6fb2f4d2de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_4326aaeb-e987-46d2-92fd-24f7ee560f10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_4326aaeb-e987-46d2-92fd-24f7ee560f10" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_0fd7bbba-bd9e-4ac6-9e1d-12ab5b8feea3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_0fd7bbba-bd9e-4ac6-9e1d-12ab5b8feea3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d676fbed-ed69-484e-abee-99474b8c6bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_d676fbed-ed69-484e-abee-99474b8c6bf4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_ed3ff645-7f95-4997-816a-e22cdc37452a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_504bb6c4-9705-44e0-9648-0ec3040e3fb4" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_ed3ff645-7f95-4997-816a-e22cdc37452a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/FinancingObligationsFuturePaymentsUnderFinancingObligationsDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#FinancingObligationsFuturePaymentsUnderFinancingObligationsDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/FinancingObligationsFuturePaymentsUnderFinancingObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueYearTwo_8e1b56c2-2abf-4cb8-b563-cdd7ab7865aa" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueYearTwo"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueYearTwo_8e1b56c2-2abf-4cb8-b563-cdd7ab7865aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueAfterYearFive_803cd335-5c54-4f14-8cf6-2571737265b6" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueAfterYearFive"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueAfterYearFive_803cd335-5c54-4f14-8cf6-2571737265b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueYearFive_00c06b38-74b9-4659-9eb3-ed7390efa013" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueYearFive"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueYearFive_00c06b38-74b9-4659-9eb3-ed7390efa013" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueYearOne_681222c3-3479-4645-be7b-3048332e3a7c" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueYearOne"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueYearOne_681222c3-3479-4645-be7b-3048332e3a7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueYearFour_a1dc933c-4a9b-4459-b490-72ac1cf4489c" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueYearFour_a1dc933c-4a9b-4459-b490-72ac1cf4489c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_FinancingObligationsPaymentsDueYearThree_e4297234-defa-4df2-ac26-9e6470fde5f0" xlink:href="rxt-20231231.xsd#rxt_FinancingObligationsPaymentsDueYearThree"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_FinancingObligationsPaymentsDue_8e10422d-fb70-4ef8-a7a7-a99bd1ab8e54" xlink:to="loc_rxt_FinancingObligationsPaymentsDueYearThree_e4297234-defa-4df2-ac26-9e6470fde5f0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/CommitmentsandContingenciesPurchaseCommitmentsDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#CommitmentsandContingenciesPurchaseCommitmentsDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/CommitmentsandContingenciesPurchaseCommitmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligation"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueAfterFifthYear_2215f33f-f554-4441-aaf3-b877f8381d65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueAfterFifthYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueAfterFifthYear_2215f33f-f554-4441-aaf3-b877f8381d65" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_ed119b2f-b2db-4c2c-b6ba-0f3ee65b4366" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInSecondYear"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueInSecondYear_ed119b2f-b2db-4c2c-b6ba-0f3ee65b4366" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_a8963b68-63a5-46d9-8c32-f3f511669bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInFourthYear"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueInFourthYear_a8963b68-63a5-46d9-8c32-f3f511669bf0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_2de95f46-f176-437a-8718-14db577b7bdb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_2de95f46-f176-437a-8718-14db577b7bdb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_34b1f84e-c179-470a-a6cb-698118f94155" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInThirdYear"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueInThirdYear_34b1f84e-c179-470a-a6cb-698118f94155" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_6c881f26-e13b-45c8-a4a4-887e2da7d1a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInFifthYear"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PurchaseObligation_3c09f254-369c-4635-8d09-ea1793f79e58" xlink:to="loc_us-gaap_PurchaseObligationDueInFifthYear_6c881f26-e13b-45c8-a4a4-887e2da7d1a2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansEquityAwardsOutstandingDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#ShareBasedCompensationandEmployeeBenefitPlansEquityAwardsOutstandingDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansEquityAwardsOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_rxt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstandingNumber_18d1d274-87d0-43d5-bc92-4d762c1b393f" xlink:href="rxt-20231231.xsd#rxt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstandingNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_9d90110d-903f-40e9-ac1c-5005ebee4936" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstandingNumber_18d1d274-87d0-43d5-bc92-4d762c1b393f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_9d90110d-903f-40e9-ac1c-5005ebee4936" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_d4bb2c7d-a3d5-493f-a546-ff5613251920" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_rxt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstandingNumber_18d1d274-87d0-43d5-bc92-4d762c1b393f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_d4bb2c7d-a3d5-493f-a546-ff5613251920" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansSharebasedCompensationExpenseRecognizedDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#ShareBasedCompensationandEmployeeBenefitPlansSharebasedCompensationExpenseRecognizedDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansSharebasedCompensationExpenseRecognizedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_8ae6d9a5-7cfe-41fc-89f9-715d73b24644" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_7792307d-65f9-4129-923d-160983e4de42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_8ae6d9a5-7cfe-41fc-89f9-715d73b24644" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_7792307d-65f9-4129-923d-160983e4de42" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9ee4ea-78f2-4c48-be37-2816722c6fb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_8ae6d9a5-7cfe-41fc-89f9-715d73b24644" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0b9ee4ea-78f2-4c48-be37-2816722c6fb7" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/TaxesBenefitforIncomeTaxesDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#TaxesBenefitforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/TaxesBenefitforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5c536785-6605-4c39-aafb-fadb6bb2f294" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_4d187f7b-d2f2-4d25-9bad-73d16360bc0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5c536785-6605-4c39-aafb-fadb6bb2f294" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_4d187f7b-d2f2-4d25-9bad-73d16360bc0d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_dd02cc34-ceb8-42cb-ae1d-3b5325e9d89c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5c536785-6605-4c39-aafb-fadb6bb2f294" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_dd02cc34-ceb8-42cb-ae1d-3b5325e9d89c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5dfd41e4-9402-4c09-8ccf-c85a02e0b8b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5c536785-6605-4c39-aafb-fadb6bb2f294" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_5dfd41e4-9402-4c09-8ccf-c85a02e0b8b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_60bc0056-865f-4a7b-b816-7391f932b468" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_88a5aee0-256e-43da-9f4e-0232cf8c83f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_60bc0056-865f-4a7b-b816-7391f932b468" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_88a5aee0-256e-43da-9f4e-0232cf8c83f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_95ce9f61-9aa9-40f1-93b9-55dd98b19d74" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_60bc0056-865f-4a7b-b816-7391f932b468" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_95ce9f61-9aa9-40f1-93b9-55dd98b19d74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f264868d-75d3-4217-a794-48de95c9f66e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_fb217557-fbae-47be-aa33-493aa5c28814" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f264868d-75d3-4217-a794-48de95c9f66e" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_fb217557-fbae-47be-aa33-493aa5c28814" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_ca4d39b8-8c99-4032-aa0e-81563fb55246" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f264868d-75d3-4217-a794-48de95c9f66e" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_ca4d39b8-8c99-4032-aa0e-81563fb55246" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_1d78e162-69ba-44a9-99a5-dd72cf037b4c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_f264868d-75d3-4217-a794-48de95c9f66e" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_1d78e162-69ba-44a9-99a5-dd72cf037b4c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/TaxesStatutoryFederalTaxRateReconciliationDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#TaxesStatutoryFederalTaxRateReconciliationDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/TaxesStatutoryFederalTaxRateReconciliationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_1b2b1655-a30d-445c-bee5-d7a7fc787263" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_1b2b1655-a30d-445c-bee5-d7a7fc787263" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_3e3f14e8-4414-4810-a20d-6a0fd2cf2891" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_3e3f14e8-4414-4810-a20d-6a0fd2cf2891" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_30de6204-9ce2-465a-96a1-a456a26ae347" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch_30de6204-9ce2-465a-96a1-a456a26ae347" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_810ee068-da10-4286-9942-a92a5f5d1610" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_810ee068-da10-4286-9942-a92a5f5d1610" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_4eb961e1-acc8-4986-ba4a-777d5536013f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_4eb961e1-acc8-4986-ba4a-777d5536013f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_9e3f0620-658b-4650-a962-a3024292abf1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent_9e3f0620-658b-4650-a962-a3024292abf1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_d83c6fb8-c27c-4d69-a840-d47bd61eb949" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_d83c6fb8-c27c-4d69-a840-d47bd61eb949" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_f0ad030b-9065-4583-9941-c81d0f23db89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance_f0ad030b-9065-4583-9941-c81d0f23db89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_14efda56-c0a2-42e2-b1d7-68420068c77d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost_14efda56-c0a2-42e2-b1d7-68420068c77d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_66047e15-4eb3-404c-b8c3-12ef1fc1bbd5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_aee8d3fe-f526-4aa2-bd60-994b5e78f606" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_66047e15-4eb3-404c-b8c3-12ef1fc1bbd5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/TaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#TaxesDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/TaxesDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_c3f637f4-8cbe-4b22-94ed-2bdda8bf7943" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_c596fab4-6e93-4064-9b28-05606ac7c863" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c3f637f4-8cbe-4b22-94ed-2bdda8bf7943" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_c596fab4-6e93-4064-9b28-05606ac7c863" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_f788a843-997d-4e37-864e-19508db92236" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_c3f637f4-8cbe-4b22-94ed-2bdda8bf7943" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_f788a843-997d-4e37-864e-19508db92236" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxLiabilitiesFinanceLeaseLiabilities_4544eb42-a507-4898-bb14-cd1f632b5a5a" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxLiabilitiesFinanceLeaseLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_rxt_DeferredTaxLiabilitiesFinanceLeaseLiabilities_4544eb42-a507-4898-bb14-cd1f632b5a5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpense_c01ca3d1-f85e-4233-b50a-3a137685aa1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesDeferredExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDeferredExpense_c01ca3d1-f85e-4233-b50a-3a137685aa1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset_591ab586-543c-46b8-8f7a-fff452b7923b" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_rxt_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset_591ab586-543c-46b8-8f7a-fff452b7923b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxLiabilitiesDepreciationAndAmortization_42dbf7ba-a15a-47fb-abb4-d266c2c5c0f8" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxLiabilitiesDepreciationAndAmortization"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_rxt_DeferredTaxLiabilitiesDepreciationAndAmortization_42dbf7ba-a15a-47fb-abb4-d266c2c5c0f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_274cb51f-594c-4805-ab5d-a374a50b797e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesDerivatives_274cb51f-594c-4805-ab5d-a374a50b797e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_b78fc408-ac73-4bed-9b61-7cecf55ba6e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxLiabilities_fc75bce9-ca6e-4f1c-80e6-8b96b0d9054d" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_b78fc408-ac73-4bed-9b61-7cecf55ba6e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_c4f19a49-0fbc-4e88-b53d-501135541b18" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_c4f19a49-0fbc-4e88-b53d-501135541b18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_be415c15-fa43-4fc2-862f-ddeb638ff591" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_be415c15-fa43-4fc2-862f-ddeb638ff591" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_d2462e2a-7a11-4c82-a743-7962a000d700" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_d2462e2a-7a11-4c82-a743-7962a000d700" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_15101bef-4c56-41cb-b129-d35244a6999c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_15101bef-4c56-41cb-b129-d35244a6999c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxAssetDepreciationAndAmortization_75764f29-97df-490e-8785-bdc24fb7c679" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxAssetDepreciationAndAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_rxt_DeferredTaxAssetDepreciationAndAmortization_75764f29-97df-490e-8785-bdc24fb7c679" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_97ff0d2e-f9d3-4ded-a480-3771eaaf8b7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals_97ff0d2e-f9d3-4ded-a480-3771eaaf8b7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetInterestCarryforward_dd5c4597-c02a-47d8-82ba-305436269bec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetInterestCarryforward"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetInterestCarryforward_dd5c4597-c02a-47d8-82ba-305436269bec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxAssetOperatingLeaseLiability_08db6db3-4f89-46ce-a744-fed276d0dc96" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxAssetOperatingLeaseLiability"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_rxt_DeferredTaxAssetOperatingLeaseLiability_08db6db3-4f89-46ce-a744-fed276d0dc96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_ef755f31-eacb-4dc9-9b35-33d44d8e133c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_ef755f31-eacb-4dc9-9b35-33d44d8e133c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_DeferredTaxAssetsFinanceLeaseLiabilities_c95f7551-082a-47fa-93c2-f1f48c811939" xlink:href="rxt-20231231.xsd#rxt_DeferredTaxAssetsFinanceLeaseLiabilities"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2e66123e-d465-4869-bd76-3c5d38996176" xlink:to="loc_rxt_DeferredTaxAssetsFinanceLeaseLiabilities_c95f7551-082a-47fa-93c2-f1f48c811939" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_47ac0f8f-a29f-4b51-91c0-b85621d42a78" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_b42e1a56-45bc-4cce-94f2-c5b7e27c0f13" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_47ac0f8f-a29f-4b51-91c0-b85621d42a78" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_b42e1a56-45bc-4cce-94f2-c5b7e27c0f13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_e7f7898b-dd7b-4994-bd62-bcacf47b1cba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_47ac0f8f-a29f-4b51-91c0-b85621d42a78" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_e7f7898b-dd7b-4994-bd62-bcacf47b1cba" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/DerivativesDerivativesPresentedonaNetAssetandNetLiabilitybasisDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#DerivativesDerivativesPresentedonaNetAssetandNetLiabilitybasisDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/DerivativesDerivativesPresentedonaNetAssetandNetLiabilitybasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_5097ca3f-7b8f-4e3d-9af8-f74b8324957e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_84be780e-b2f8-4226-b080-de0a6392bf5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_5097ca3f-7b8f-4e3d-9af8-f74b8324957e" xlink:to="loc_us-gaap_DerivativeAssetNotOffsetPolicyElectionDeduction_84be780e-b2f8-4226-b080-de0a6392bf5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_8120b70b-f990-466e-9e1f-5890443bc490" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_5097ca3f-7b8f-4e3d-9af8-f74b8324957e" xlink:to="loc_us-gaap_DerivativeAssets_8120b70b-f990-466e-9e1f-5890443bc490" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_0f282223-aeb8-403d-9746-bc2f47d9f16d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_c987fcb6-acff-4403-98d1-cd9d0341abab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_0f282223-aeb8-403d-9746-bc2f47d9f16d" xlink:to="loc_us-gaap_DerivativeLiabilities_c987fcb6-acff-4403-98d1-cd9d0341abab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_ed891342-bdfa-4bf0-88b7-6c873eef621d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection_0f282223-aeb8-403d-9746-bc2f47d9f16d" xlink:to="loc_us-gaap_DerivativeLiabilityNotOffsetPolicyElectionDeduction_ed891342-bdfa-4bf0-88b7-6c873eef621d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.rackspace.com/role/CondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetsDetails" xlink:type="simple" xlink:href="rxt-20231231.xsd#CondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetsDetails"/>
  <link:calculationLink xlink:role="http://www.rackspace.com/role/CondensedFinancialInformationofRegistrantParentCompanyOnlyCondensedBalanceSheetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_67e71c2a-017d-42ba-ae16-8e0eb9f475ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_rxt_InvestmentsInSubsidiaries_7974e62d-f429-41a2-96e5-0d5ed71adba5" xlink:href="rxt-20231231.xsd#rxt_InvestmentsInSubsidiaries"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_67e71c2a-017d-42ba-ae16-8e0eb9f475ef" xlink:to="loc_rxt_InvestmentsInSubsidiaries_7974e62d-f429-41a2-96e5-0d5ed71adba5" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
