The easiest way is to create the letter as a report in Access using
Grouping.
Word does not do it very well, but see the "Multiple items per condition"
item under the "Special merges" section of fellow MVP CIndy Meister's
website at
http://homepage.swissonline.ch/cindymeister/MergFram.htm

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Hope this helps
> Can anyone tell me how to do a many to one mail merge with
> an access database? Example: I have students that have
> many course numbers in seperate records. Iwant to put all
> of those into one word letter.