http://www.cpearson.com/excel/duplicat.htm
Will be a ready resource.
--
Regards,
Tom Ogilvy
"Lynn" <moley_cruz@yahoo.com.au> wrote in message
news:1129034579.447163.132050@f14g2000cwb.googlegroups.com...
> thanks Tom,
> but still i need to remmember this formula =Countif($A:$A,A1)>1
> anyway for me to store it in excel and use it ?
>
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