Hi
check out the following site:
http://www.cpearson.com/excel/NoDupEntry.htm
and
http://www.cpearson.com/excel/duplicat.htm

--
Regards
Frank Kabel
Frankfurt, Germany
"Andy Daugherty" schrieb im Newsbeitrag
...
Is there a formula to let me know if a duplicate item has been entered
in a column?

Thanks
Andy