You can also use Word's Catalogue/Directory Mailmerge facility for this (the terminology depends on the Word version). To see how to do so with any mailmerge data source supported by Word, check out my Microsoft Word Catalogue/Directory Mailmerge Tutorial:
https://www.msofficeforums.com/mail-...-tutorial.html
The tutorial covers everything from list creation to the insertion & calculation of values in multi-record tables in letters. Do read the tutorial before trying to use the mailmerge document included with it.

The field coding for this is complex. Email merges are more complex still. However, since the tutorial document includes working field codes for all of its examples (and macro code for the emailing), most of the hard work has already been done for you. For some worked examples, see the attachments to the posts at:
https://www.msofficeforums.com/mail-...html#post23345
https://www.msofficeforums.com/mail-...html#post30327

Another option would be to use a DATABASE field in a normal ‘letter’ mailmerge main document and a macro to drive the process. An example of this approach can be found at: Many to one email merge using tables - Microsoft Community

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]