Yes,
Just start a new mailmerge this time choosing to create envelopes rather
than a formletter and use the same datasource.

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Hope this helps,
Doug Robbins - Word MVP
>I have created a merge data source in excel, and want to
> merge to a form letter. No problem. Now I want to
> create envelopes to mail these form letters in. Is there
> a way to merge information from a data source to print on
> envelopes?