Technical documents for protocols, computer languages, standards support, and data portability. The goal with Open Specifications is to help developers open new opportunities to interoperate with Windows, SQL, Office, and SharePoint.
Hi @David Sitsky ,
After researching this, I found that this 0x5D09 property id is not used by our Outlook client and therefore it is not needed for interoperability purposes. For this reason, we don’t list it in [MS-OXPROPS]. Please let me know if hat answers your question.
Best regards,
Michael Bowen
Escalation Engineer - Microsoft Open Specifications