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PidTagOriginalAuthorEntryId Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Contains the entry identifier of the author of the first version of a message, that is, the message before being forwarded or replied to.

Property Value
Associated properties:
PR_ORIGINAL_AUTHOR_ENTRYID
Identifier:
0x004C
Data type:
PT_BINARY
Area:
General messaging

Remarks

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

The original author property allows for preservation of information from outside the local messaging domain. When a message arrives from another messaging domain, such as from the Internet, this property provides a way to ensure that original information is not lost.

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