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PidTagTransmittableDisplayName Canonical Property

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Contains a recipient's display name in a secure form that cannot be changed.

Associated properties:




Data type:




These properties should be implemented by all address book providers. They contain the version of the recipient's display name that is transmitted with the message. For most address book providers these properties have the same value as the PR_DISPLAY_NAME (PidTagDisplayName) property. Providers that do not have a secure display name return PT_ERROR and MAPI changes the display name by adding quotation marks around the name.

A client application can use this property to prevent alteration or "spoofing" of entries. An example of spoofing is transmitting John Doe as John (What a Guy) Doe.

Protocol Specifications


Provides references to related Exchange Server protocol specifications.


Specifies the properties and operations for lists of users, contacts, groups, and resources.


Handles a client's communications with a Name Service Provider Interface (NSPI) server.


Handles the order and flow for data transfers between a client and server.


Handles message and attachment objects.

Header Files


Provides data type definitions.


Contains definitions of properties listed as associated properties.