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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:

PR_IMPORTANCE

Identifier:

0x0017

Data type:

PT_LONG

Area:

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:

IMPORTANCE_LOW

The message has low importance.

IMPORTANCE_HIGH

The message has high importance.

IMPORTANCE_NORMAL

The message has normal importance.

Protocol Specifications

[MS-OXPROPS]

Provides references to related Exchange Server protocol specifications.

[MS-OXCMSG]

Handles message and attachment objects.

Header Files

Mapidefs.h

Provides data type definitions.

Mapitags.h

Contains definitions of properties listed as alternate names.

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