## EmsAbDefaultMessageFormat {#emsabdefaultmessageformat}

Microsoft� Exchange defines this property that is used by the Microsoft Exchange Server and the Microsoft Exchange Client. Canonical name: Alternate names: PR_EMS_AB_DEFAULT_MESSAGE_FORMAT

**Returns:** System::SharedPtr < PidTagPropertyDescriptor > Aspose::Email::Mapi::

```cpp
EmsAbDefaultMessageFormat()
```