MailMergeDataType enumeration

Specifies the type of an external mail merge data source.

Name	Description
None	No mail merge data source is specified.
TextFile	Specifies that a given document has been connected to a text file via the Dynamic Data Exchange (DDE) system.
Database	Specifies that a given document has been connected to an Access database via the Dynamic Data Exchange (DDE) system.
Spreadsheet	Specifies that a given document has been connected to an Excel spreadsheet via the Dynamic Data Exchange (DDE) system.
Query	Specifies that a given document has been connected to an external data source using an external query tool.
Odbc	Specifies that a given document has been connected to an external data source via the Open Database Connectivity interface.
Native	Specifies that a given document has been connected to an external data source via the Office Data Source Object (ODSO) interface.
Default	Equals to MailMergeDataType.None.