Duplicates

Cindy78

New Member
Joined
Apr 4, 2008
Messages
22
Hello,

Can somebody refresh my memory with the formula for checking for duplicates in a column please?
Thanks
 

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prabby25101981

Active Member
Joined
Jul 28, 2010
Messages
348
=COUNTIF(A:A,A1)

This is to be pasted in B1. Change the reference as you like and copy through.
 

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