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  <xs:element id="fis_FinancingArrangementsForCertainHardwareAndSoftwareMember" abstract="true" name="FinancingArrangementsForCertainHardwareAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_LongTermDebtOtherAdjustments" abstract="false" name="LongTermDebtOtherAdjustments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_FidelityNationalInformationServicesInc.CreditAgreementsMember" abstract="true" name="FidelityNationalInformationServicesInc.CreditAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_EuroCommercialPaperProgramMember" abstract="true" name="EuroCommercialPaperProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_CommercialPaperProgramMember" abstract="true" name="CommercialPaperProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FixedRateSeniorUSDNotesDue2028Member" abstract="true" name="FixedRateSeniorUSDNotesDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FixedRateSeniorUSDNotesDue2029Member" abstract="true" name="FixedRateSeniorUSDNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FixedRateSeniorUSDNotesDue2031Member" abstract="true" name="FixedRateSeniorUSDNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_SeniorUSDFloatingRateNotesDue2029Member" abstract="true" name="SeniorUSDFloatingRateNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FixedRateSeniorEuroNotesDue2030Member" abstract="true" name="FixedRateSeniorEuroNotesDue2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FixedRateSeniorEuroNotesDue2028Member" abstract="true" name="FixedRateSeniorEuroNotesDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_SeniorUnsecuredBridgeTermLoanFacilityMember" abstract="true" name="SeniorUnsecuredBridgeTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_TermFacilityMember" abstract="true" name="TermFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_DebtWeightedAverageInterestRateExcludingCrossCurrencyInterestRateSwaps" abstract="false" name="DebtWeightedAverageInterestRateExcludingCrossCurrencyInterestRateSwaps" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="fis_LineOfCreditFacilityCapacityBackstopped" abstract="false" name="LineOfCreditFacilityCapacityBackstopped" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_AccumulatedDifferenceBetweenFairValueAndCarryingValueOfLongTermDebt" abstract="false" name="AccumulatedDifferenceBetweenFairValueAndCarryingValueOfLongTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_LongTermDebtExcludingUnamortizedDiscountPremium" abstract="false" name="LongTermDebtExcludingUnamortizedDiscountPremium" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_NewOffsettingVariableToFixedInterestRateSwapsMember" abstract="true" name="NewOffsettingVariableToFixedInterestRateSwapsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_SeniorEuroNotesMaturing2028To2030Member" abstract="true" name="SeniorEuroNotesMaturing2028To2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_FairValueOfInterestExpenseUsingAmortizationApproach" abstract="false" name="FairValueOfInterestExpenseUsingAmortizationApproach" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_August2024ShareRepurchaseProgramMember" abstract="true" name="August2024ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_NumberOfReportableSegmentsDisclosedByDefinitionFlag" abstract="false" name="NumberOfReportableSegmentsDisclosedByDefinitionFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:booleanItemType"/>
  <xs:element id="fis_LongTermAssetsExcludingGoodwillAndOtherIntangibleAssets." abstract="false" name="LongTermAssetsExcludingGoodwillAndOtherIntangibleAssets." nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_PlatformInitiativesMember" abstract="true" name="PlatformInitiativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_EnterpriseCostControlInitiativesAndChangesInSeniorManagementMember" abstract="true" name="EnterpriseCostControlInitiativesAndChangesInSeniorManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_EnterpriseTransformationCost" abstract="false" name="EnterpriseTransformationCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_OtherRelatedExpenses" abstract="false" name="OtherRelatedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_CorporateAndOtherSegmentRelatedToAcquisitionIntegrationAndOtherCosts" abstract="false" name="CorporateAndOtherSegmentRelatedToAcquisitionIntegrationAndOtherCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_SeveranceCashPayments" abstract="false" name="SeveranceCashPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_SoftwareAndHardwarePurchasesOrLeaseObligationsMember" abstract="true" name="SoftwareAndHardwarePurchasesOrLeaseObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="fis_NetPersonnelCosts" abstract="false" name="NetPersonnelCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_InfrastructureCosts" abstract="false" name="InfrastructureCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_AllocatedCosts" abstract="false" name="AllocatedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_OtherCosts" abstract="false" name="OtherCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_EarningsBeforeInterestTaxesDepreciationandAmortizationAdjusted" abstract="false" name="EarningsBeforeInterestTaxesDepreciationandAmortizationAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_DepreciationDepletionandAmortizationExcludingAmortizationofPurchaseAccountingAdjustments" abstract="false" name="DepreciationDepletionandAmortizationExcludingAmortizationofPurchaseAccountingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_AmortizationofPurchaseAccountingAdjustments" abstract="false" name="AmortizationofPurchaseAccountingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fis_BusinessCombinationAcquisitionIntegrationAndOtherRelatedCosts" abstract="false" name="BusinessCombinationAcquisitionIntegrationAndOtherRelatedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
