

If you are doing any other type of merge (such as merging to letters or to labels), then you are pretty much out of luck.

If you are doing that type of merge, you can find full information on how to group records at this Microsoft Office Support article:

This is not something that can be easily done with Word's mail merge capabilities, with one exception: You can do it if you are doing a directory-type merge. She wants to "group" records so she can put all the records for a given individual into a single merge document. She notes that if she was using SQL she could use "GROUP BY" to make sure that all the records of a given individual were grouped together. Erin wants to do a mail merge using source data that is in an Excel worksheet where it is possible for a given individual to have multiple rows of data.
