Hello Jim,
Documents.Add(Template,NewTemplate,DocumentType,Visible)
Specific the first Template argument to create a new document based on specific document.
Here is the example.
Dim wdApp As Microsoft.Office.Interop.Word.Application = Globals.ThisAddIn.Application
Dim dotxPath As String = "C:\Users\admin\Desktop\TestFolder\Test.dotx"
wdApp.Documents.Add(dotxPath)
Best Regards,
Terry
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