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Kassie
 
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You can also read this :
http://support.microsoft.com/default...b;en-us;213185

"Ron de Bruin" wrote:

See this site George
http://www.cpearson.com/excel/NoDupEntry.htm


--
Regards Ron de Bruin
http://www.rondebruin.nl



"George Teng" <George wrote in message ...
Hi,

I'm trying to avoid double entry in this particular work here. Is there any
formulas or function that allow me to automatically detect the double entry?

George