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PidTagImportance Canonical Property
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PidTagImportance Canonical Property

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Contains a value that indicates the message sender's opinion of the importance of a message.

Associated properties:




Data type:



General messaging

This property and the PR_PRIORITY (PidTagPriority) property should not be confused. Importance indicates a value to users, while priority indicates the order or speed at which the message should be sent by the messaging system software. Higher priority usually indicates a higher cost. Higher importance usually is associated with a different display by the user interface.

This property can have exactly one of the following values:


The message has low importance.


The message has high importance.


The message has normal importance.

Protocol Specifications


Provides references to related Exchange Server protocol specifications.


Handles message and attachment objects.

Header Files


Provides data type definitions.


Contains definitions of properties listed as alternate names.

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