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  <xs:element id="hiw_TampaFlPavilionParkingGarageMember" abstract="true" name="TampaFlPavilionParkingGarageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFlTowerPlaceMember" abstract="true" name="TampaFlTowerPlaceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFLMeridianIMember" abstract="true" name="TampaFLMeridianIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFLMeridianIIMember" abstract="true" name="TampaFLMeridianIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFL5332AvionParkMember" abstract="true" name="TampaFL5332AvionParkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFLSuntrustFinancialCentreMember" abstract="true" name="TampaFLSuntrustFinancialCentreMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFLSuntrustFinancialLandMember" abstract="true" name="TampaFLSuntrustFinancialLandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TampaFLMidtownMember" abstract="true" name="TampaFLMidtownMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_TotalRealEstateAndAccumulatedDepreciationMember" abstract="true" name="TotalRealEstateAndAccumulatedDepreciationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hiw_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionAbstract" abstract="true" name="RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hiw_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand" abstract="false" name="RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionLand" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hiw_RealEstateAcquisitionsDevelopmentAndImprovements" abstract="false" name="RealEstateAcquisitionsDevelopmentAndImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hiw_ReconciliationOfTotalRealEstateAssetsToBalanceSheetAbstract" abstract="true" name="ReconciliationOfTotalRealEstateAssetsToBalanceSheetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hiw_ReclassRelatedToRealEstateHeldForSale" abstract="false" name="ReclassRelatedToRealEstateHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hiw_ReconciliationOfTotalAccumulatedDepreciationToBalanceSheetAbstract" abstract="true" name="ReconciliationOfTotalAccumulatedDepreciationToBalanceSheetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="hiw_RealEstateAccumulatedDepreciationAssetsHeldForSale" abstract="false" name="RealEstateAccumulatedDepreciationAssetsHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
