I understood that much from your initial post. As I said, though, implementing a solution where you can choose a different data source each time requires VBA code that allows you to select the data source before the mailmerge SQL statement is executed - and you can't do that if the document has been saved as a mailmerge main document that is already connected to a datasource. Hence, the need for the approach I suggested.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]