TK
Chip Pearson shows you how using Data Validation
http://www.cpearson.com/excel/NoDupEntry.htm
Gord Dibben Excel MVP
On Fri, 4 Mar 2005 13:07:05 -0800, "TK" wrote:
is there a way to prevent a duplicate entry for a range of numbers between
00001 and 99999 in column?
Thanks ... TK