函式是傳回特定值或值的例程或子程式。 結構化記憶體函式會在下列各節中說明：
- CreateILockBytesOnHGlobal
- CreateStreamOnHGlobal
- FmtIdToPropStgName
- FreePropVariantArray
- GetConvertStg
- GetHGlobalFromILockBytes
- GetHGlobalFromStream
- OleConvertIStorageToOLESTREAM
- OleConvertIStorageToOLESTREAMEx
- OleConvertOLESTREAMToIStorage
- OleConvertOLESTREAMToIStorageEx
- PropStgNameToFmtId
- PropVariantClear
- PropVariantCopy
- PropVariantInit
- ReadClassStg
- ReadClassStm
- ReadFmtUserTypeStg
- StgConvertPropertyToVariant
- SetConvertStg
- StgConvertVariantToProperty
- StgCreateDocfile
- StgCreateDocfileOnILockBytes
- StgCreatePropSetStg
- StgCreatePropStg
- StgCreateStorageEx
- StgDeserializePropVariant
- StgGetIFillLockBytesOnFile
- StgGetIFillLockBytesOnILockBytes
- StgIsStorageFile
- StgIsStorageILockBytes
- StgOpenAsyncDocfileOnIFillLockBytes
- StgOpenLayoutDocfile
- StgOpenPropStg
- StgOpenStorage
- StgOpenStorageEx
- StgOpenStorageOnILockBytes
- StgPropertyLengthAsVariant
- StgSerializePropVariant
- StgSetTimes
- WriteClassStg
- WriteClassStm
- WriteFmtUserTypeStg