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PidTagOriginalSentRepresentingEntryId Canonical Property

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Contains the entry identifier of the messaging user on whose behalf the original message was sent.

Associated properties:




Data type:



General messaging

This property is one of the address properties for the original represented sender of a message. It is used in a conversation thread.

A client application sending a message on behalf of another client should set this property to the value of the PR_SENT_REPRESENTING_ENTRYID (PidTagSentRepresentingEntryId) property at the first submission of the message. Once set, it should never be changed.

Protocol Specifications


Provides references to related Exchange Server protocol specifications.


Specifies the properties and operations that are permissible on e-mail message objects.

Header Files


Provides data type definitions.


Contains definitions of properties listed as alternate names.