how do i get excel to warn me that i already used a certain value
 

i need excel to warn me when i already used a a certain value somehwere else
in the column.

how do i get excel to warn me that i already used a certain value
 

Take a look he

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

In article ,
excel warnings <excel wrote:

i need excel to warn me when i already used a a certain value somehwere else
in the column.

how do i get excel to warn me that i already used a certain value
 

see:

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


--
Gary's Student
gsnu200701


"excel warnings" wrote:

i need excel to warn me when i already used a a certain value somehwere else
in the column.