2.832 PidTagOriginalMessageClass
Canonical name: PidTagOriginalMessageClass
Description: Designates the PidTagMessageClass property ([MS-OXCMSG] section 2.2.1.3) from the original message.
Property ID: 0x004B
Data type: PtypString, 0x001F
Area: Secure Messaging Properties
Defining reference: [MS-OXOMSG] section 2.2.1.86
Consuming reference: [MS-OXTNEF]
Alternate names: PR_ORIG_MESSAGE_CLASS, PR_ORIG_MESSAGE_CLASS_A, PR_ORIG_MESSAGE_CLASS_W