I am preparing a lengthy list which inlvoves social scurity numbers and would
like to know if I have typed in a duplicate without doing a search each and
every time I make an entry.

Is there any way to do this in Excel?

Thanks,

Try this page of Chip Pearson:

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

--
HTH,

RD

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"lblatter" wrote in message
...
I am preparing a lengthy list which inlvoves social scurity numbers and
would
like to know if I have typed in a duplicate without doing a search each
and
every time I make an entry.

Is there any way to do this in Excel?

Thanks,