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PidLidPrivate Canonical Property
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PidLidPrivate Canonical Property

This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

Indicates whether the end-user wants this message object hidden from other users who have access to the message object.

Associated properties:


Property set:


Long ID (LID):


Data type:



General messaging

Protocol Specifications


Provides property set definition and references to related Exchange Server protocol specifications.


Handles message and attachment objects.

Header Files


Provides data type definitions.

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