_Document.MailMerge property

Returns a MailMerge object that represents the mail merge functionality for the specified document.

Namespace:  Microsoft.Office.Interop.Word
Assembly:  Microsoft.Office.Interop.Word (in Microsoft.Office.Interop.Word.dll)

MailMerge MailMerge { get; }

The MailMerge object is available regardless of whether the specified document is a mail merge main document. Use the State property to determine the current state of the mail merge operation.