You can change the list a validation refers to and if there are many
referrals they all reflect that change, but you cannot change many DV's in
one sweep without VBA.
--
HTH
Bob Phillips
(replace somewhere in email address with gmail if mailing direct)
You can select all the cells with data validation, and change the list:
Choose Edit>Got To, and click the Special button
Select Data Validation, and choose All or Same, then click OK
Choose Data>Validation
Enter the new list, and click OK