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

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

Under Data Validation, look for 'Update Validation List'

Dmorri254 wrote:
Hello,

Does anyone know how to dynamically update a validation list...example..lets
say I have a list of names and I want to add a new name...can I do this via
the validation list instead of adding it to the actual list on my lookup
sheet??

thanx



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