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PidNameKeywords Canonical Property

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Contains keywords or categories for the message object.

Friendly names:


Property set:


Property name:


Data type:



General messaging

A multi-string value that specifies the categories for a message object, the length of each string within this property multi-value string, must be less than 256.

Protocol Specifications


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


Handles message and attachment objects.


Specifies the properties and operations that are permissible on documents.

Header Files


Provides data type definitions.