PidTagAttachPayloadClass Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Contains the value of a MIME X-Payload-Class header field.

Associated properties:
PR_ATTACH_PAYLOAD_CLASS, PR_ATTACH_PAYLOAD_CLASS_A, PR_ATTACH_PAYLOAD_CLASS_W
Identifier:
0x371A
Data type:
PT_STRING8, PT_UNICODE
Area:
Outlook application

Remarks

To set the value of these properties, MIME clients should write an X-Payload-Class header field to a MIME entity that will be analyzed as an attachment.

MIME readers must copy this header field value to the value of the corresponding property. MIME readers should ignore this header field when it appears on a MIME entity that is analyzed as a message or message body, rather than as an attachment.

Protocol specifications

[MS-OXPROPS]

Provides references to related Exchange Server protocol specifications.

[MS-OXCMAIL]

Converts from Internet standard email conventions to message objects.

Header files

Mapidefs.h

Provides data type definitions.

Mapitags.h

Contains definitions of properties listed as alternate names.

See also

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names