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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

PidTagPriority Canonical Property

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Contains the relative priority of a message.

Associated properties:




Data type:




This property and the PR_IMPORTANCE (PidTagImportance) 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.

The priority of a report message should be the same as the priority of the original message being reported.

This property can have exactly one of the following values:


The message is not urgent.


The message has normal priority.


The message is urgent.

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.

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