https://interoperability.blob.core.windows.net/files/MS-PST/%5bMS-PST%5d.pdf

https://interoperability.blob.core.windows.net/files/MS-OXCDATA/%5bMS-OXCDATA%5d.pdf

https://interoperability.blob.core.windows.net/files/MS-OXPROPS/%5BMS-OXPROPS%5D.pdf

http://hg.five-ten-sg.com/libpst/raw-file/2da75cc45883/xml/MAPI_definitions.pdf

https://github.com/libyal/libfmapi/blob/main/documentation/MAPI%20definitions.asciidoc

https://github.com/dbremner/pstviewtool/blob/master/ptags.h

https://github.com/koodaamo/tnefparse/blob/master/tnefparse/properties.py