You can do this with programming. There's a sample file he

http://www.contextures.com/excelfiles.html

Under Data Validation, look for 'Select Multiple Items from Dropdown List'


Shad wrote:
Is there a way to allow a user to choose more than one item from a drop down
list in excel? For example, if the column is titled "Groups Affected" and the
drop down list has several groups, how can they choose more than one of those
groups?

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Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html