Check out Chip Pearson's site for method of preventing duplicate entries.

http://www.cpearson.com/excel/NoDupEntry.htm


Gord Dibben MS Excel MVP

On Fri, 13 Jan 2006 10:51:18 -0600, RJ31
wrote:


I have a large complex spreadsheet that calculates just when the file is
saved. I was wondering if anyone new how to ensure that the same number
is not entered twice into a column other than using the find command.
Ryabn