2.2.1.16 PidTagMessageClass Property

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

The PidTagMessageClass property ([MS-OXCMSG] section 2.2.1.3) contains the object type classification. This property is set to "IPM.Note" on E-mail objects. The value of the PidTagMessageClass property for report objects is specified in section 2.2.2.1 of this document.