2.2.1.32 PidTagOriginalAuthorEntryId Property

Type: PtypBinary ([MS-OXCDATA] section 2.11.1)

The PidTagOriginalAuthorEntryId property ([MS-OXPROPS] section 2.824) contains an Address Book EntryID structure ([MS-OXCDATA] section 2.2.5.2) and is defined in report messages to identify the user who sent the original message.