PidTagAttachEncoding Property

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

The PidTagAttachEncoding property ([MS-OXPROPS] section 2.582) contains encoding information about the Attachment object. If the attachment is in MacBinary format, this property is set to "{0x2A,86,48,86,F7,14,03,0B,01}"; otherwise, it is unset. This property is used to indicate that the attachment content, which is the value of the PidTagAttachDataBinary property (section, MUST be encoded in the MacBinary format, as specified in [MS-OXCMAIL]. Clients SHOULD<10> correctly detect MacBinary I, MacBinaryII, and MacBinary III formats.