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        <link:definition>9954489 - Disclosure - Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies - Subsequent Events (Details)</link:definition>
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        <link:definition>9954491 - Disclosure - Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies - Estimated Useful Lives (Details)</link:definition>
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        <link:definition>9954494 - Disclosure - Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies - Revenue (Details)</link:definition>
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      <link:roleType id="CompanyOverviewBasisofPresentationandSummaryofSignificantAccountingPoliciesSellingGeneralandAdministrativeExpenseandImpairmentLossDetails" roleURI="http://www.rackspace.com/role/CompanyOverviewBasisofPresentationandSummaryofSignificantAccountingPoliciesSellingGeneralandAdministrativeExpenseandImpairmentLossDetails">
        <link:definition>9954495 - Disclosure - Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies - Selling, General and Administrative Expense and Impairment Loss (Details)</link:definition>
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      <link:roleType id="CompanyOverviewBasisofPresentationandSummaryofSignificantAccountingPoliciesForeignCurrencyDetails" roleURI="http://www.rackspace.com/role/CompanyOverviewBasisofPresentationandSummaryofSignificantAccountingPoliciesForeignCurrencyDetails">
        <link:definition>9954496 - Disclosure - Company Overview, Basis of Presentation, and Summary of Significant Accounting Policies - Foreign Currency (Details)</link:definition>
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      </link:roleType>
      <link:roleType id="CustomerContractsScheduleofBalancesRelatedtoCustomerContractsDetails" roleURI="http://www.rackspace.com/role/CustomerContractsScheduleofBalancesRelatedtoCustomerContractsDetails">
        <link:definition>9954497 - Disclosure - Customer Contracts - Schedule of Balances Related to Customer Contracts (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType id="CustomerContractsAllowanceforDoubtfulAccountsDetails" roleURI="http://www.rackspace.com/role/CustomerContractsAllowanceforDoubtfulAccountsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CustomerContractsNarrativeDetails" roleURI="http://www.rackspace.com/role/CustomerContractsNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CustomerContractsScheduleofAmortizationofCapitalizedContractCostsDetails" roleURI="http://www.rackspace.com/role/CustomerContractsScheduleofAmortizationofCapitalizedContractCostsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CustomerContractsRemainingPerformanceObligationsDetails" roleURI="http://www.rackspace.com/role/CustomerContractsRemainingPerformanceObligationsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      </link:roleType>
      <link:roleType id="CustomerContractsRemainingPerformanceObligationsDetails_1" roleURI="http://www.rackspace.com/role/CustomerContractsRemainingPerformanceObligationsDetails_1">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SaleofReceivablesDetails" roleURI="http://www.rackspace.com/role/SaleofReceivablesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="NetLossPerShareComputationofBasicandDilutedNetIncomeLossperShareDetails" roleURI="http://www.rackspace.com/role/NetLossPerShareComputationofBasicandDilutedNetIncomeLossperShareDetails">
        <link:definition>9954503 - Disclosure - Net Loss Per Share - Computation of Basic and Diluted Net Income (Loss) per Share (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossPerShareNarrativeDetails" roleURI="http://www.rackspace.com/role/NetLossPerShareNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyEquipmentandSoftwarenetScheduleofPropertyEquipmentandSoftwarenetDetails" roleURI="http://www.rackspace.com/role/PropertyEquipmentandSoftwarenetScheduleofPropertyEquipmentandSoftwarenetDetails">
        <link:definition>9954505 - Disclosure - Property, Equipment and Software, net - Schedule of Property, Equipment, and Software, net (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyEquipmentandSoftwarenetNarrativeDetails" roleURI="http://www.rackspace.com/role/PropertyEquipmentandSoftwarenetNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsChangesinCarryingAmountsofGoodwillbyReportableSegmentDetails" roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsChangesinCarryingAmountsofGoodwillbyReportableSegmentDetails">
        <link:definition>9954507 - Disclosure - Goodwill and Intangible Assets - Changes in Carrying Amounts of Goodwill by Reportable Segment (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssetsNarrativeDetails" roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsNarrativeDetails">
        <link:definition>9954508 - Disclosure - Goodwill and Intangible Assets - Narrative (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails" roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails_1" roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsIntangibleAssetsOtherThanGoodwillDetails_1">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="GoodwillandIntangibleAssetsFutureAmortizationofIntangibleAssetsDetails" roleURI="http://www.rackspace.com/role/GoodwillandIntangibleAssetsFutureAmortizationofIntangibleAssetsDetails">
        <link:definition>9954510 - Disclosure - Goodwill and Intangible Assets - Future Amortization of Intangible Assets (Details)</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails" roleURI="http://www.rackspace.com/role/DebtScheduleofDebtDetails">
        <link:definition>9954511 - Disclosure - Debt - Schedule of Debt (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails_1" roleURI="http://www.rackspace.com/role/DebtScheduleofDebtDetails_1">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtNarrativeDetails" roleURI="http://www.rackspace.com/role/DebtNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtMaturitiesDetails" roleURI="http://www.rackspace.com/role/DebtMaturitiesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesPropertyandEquipmentUnderFinanceLeasesDetails" roleURI="http://www.rackspace.com/role/LeasesPropertyandEquipmentUnderFinanceLeasesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="LeasesCostDetails" roleURI="http://www.rackspace.com/role/LeasesCostDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesCashFlowDetails" roleURI="http://www.rackspace.com/role/LeasesCashFlowDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="LeasesSupplementalInformationDetails" roleURI="http://www.rackspace.com/role/LeasesSupplementalInformationDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesMaturityDetails" roleURI="http://www.rackspace.com/role/LeasesMaturityDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="LeasesMaturityDetails_1" roleURI="http://www.rackspace.com/role/LeasesMaturityDetails_1">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancingObligationsNarrativeDetails" roleURI="http://www.rackspace.com/role/FinancingObligationsNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FinancingObligationsFuturePaymentsUnderFinancingObligationsDetails" roleURI="http://www.rackspace.com/role/FinancingObligationsFuturePaymentsUnderFinancingObligationsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="CommitmentsandContingenciesPurchaseCommitmentsDetails" roleURI="http://www.rackspace.com/role/CommitmentsandContingenciesPurchaseCommitmentsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesNarrativeDetails" roleURI="http://www.rackspace.com/role/CommitmentsandContingenciesNarrativeDetails">
        <link:definition>9954522 - Disclosure - Commitments and Contingencies - Narrative (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="July2021RestructuringPlanNarrativeDetails" roleURI="http://www.rackspace.com/role/July2021RestructuringPlanNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="July2021RestructuringPlanRestructuringChargesDetails" roleURI="http://www.rackspace.com/role/July2021RestructuringPlanRestructuringChargesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="July2021RestructuringPlanRestructuringReservesbyTypeofCostDetails" roleURI="http://www.rackspace.com/role/July2021RestructuringPlanRestructuringReservesbyTypeofCostDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="StockholdersEquityDetails" roleURI="http://www.rackspace.com/role/StockholdersEquityDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansNarrativeDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansEquityAwardsOutstandingDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansEquityAwardsOutstandingDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansStockOptionActivityDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansStockOptionActivityDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansFairValueAssumptionsDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansFairValueAssumptionsDetails">
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansRestrictedStockActivityDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansRestrictedStockActivityDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansScheduleofShareBasedCompensationExpenseEquityandLiabilityAwardsAmountsDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansScheduleofShareBasedCompensationExpenseEquityandLiabilityAwardsAmountsDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="ShareBasedCompensationandEmployeeBenefitPlansSharebasedCompensationExpenseRecognizedDetails" roleURI="http://www.rackspace.com/role/ShareBasedCompensationandEmployeeBenefitPlansSharebasedCompensationExpenseRecognizedDetails">
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      <link:roleType id="TaxesBenefitforIncomeTaxesDetails" roleURI="http://www.rackspace.com/role/TaxesBenefitforIncomeTaxesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="TaxesLossBeforeIncomeTaxesDetails" roleURI="http://www.rackspace.com/role/TaxesLossBeforeIncomeTaxesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="TaxesStatutoryFederalTaxRateReconciliationDetails" roleURI="http://www.rackspace.com/role/TaxesStatutoryFederalTaxRateReconciliationDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="TaxesDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.rackspace.com/role/TaxesDeferredTaxAssetsandLiabilitiesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="TaxesNarrativeDetails" roleURI="http://www.rackspace.com/role/TaxesNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="TaxesScheduleofChangestoValuationAllowancesDetails" roleURI="http://www.rackspace.com/role/TaxesScheduleofChangestoValuationAllowancesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="TaxesUnrecognizedTaxBenefitsRollforwardDetails" roleURI="http://www.rackspace.com/role/TaxesUnrecognizedTaxBenefitsRollforwardDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="DerivativesNarrativeDetails" roleURI="http://www.rackspace.com/role/DerivativesNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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</xs:schema>
