2.2.5.2 PidTagMessageClass Property
Type: PtypString ([MS-OXCDATA] section 2.11.1)
The PidTagMessageClass property ([MS-OXCMSG] section 2.2.1.3) MUST be set to "IPM.Sharing" or a value that begins with "IPM.Sharing.".
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Type: PtypString ([MS-OXCDATA] section 2.11.1)
The PidTagMessageClass property ([MS-OXCMSG] section 2.2.1.3) MUST be set to "IPM.Sharing" or a value that begins with "IPM.Sharing.".