Contains a value that indicates the message sender's opinion of the importance of a message.
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Associated properties:
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PR_IMPORTANCE
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Identifier:
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0x0017
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Data type:
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PT_LONG
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Area:
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General messaging
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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
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The message has low importance.
- IMPORTANCE_HIGH
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The message has high importance.
- IMPORTANCE_NORMAL
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The message has normal importance.
Protocol Specifications
- [MS-OXPROPS]
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Provides references to related Exchange Server protocol specifications.
- [MS-OXCMSG]
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Handles message and attachment objects.
Header Files
- Mapidefs.h
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Provides data type definitions.
- Mapitags.h
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Contains definitions of properties listed as alternate names.
Concepts
MAPI Properties
MAPI Canonical Properties
Mapping Canonical Property Names to MAPI Names
Mapping MAPI Names to Canonical Property Names