PidTagOriginalSenderSearchKey Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Contains the search key for the sender of the first version of a message, that is, the message before being forwarded or replied to.

Associated properties:
PR_ORIGINAL_SENDER_SEARCH_KEY
Identifier:
0x005C
Data type:
PT_BINARY
Area:
General messaging

Remarks

This property is one of the address properties for the original sender of a message. At first submission of the message, the client application should set this property to the value of the PR_SENDER_SEARCH_KEY (PidTagSenderSearchKey) property. It is never changed when the message is forwarded or replied to.

Protocol specifications

[MS-OXPROPS]

Provides references to related Exchange Server protocol specifications.

[MS-OXOMSG]

Specifies the properties and operations that are permissible on email 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