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Rosie
 
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Is it posible to put in a formula to ensure there are no duplications when
putting in numbers in cell?
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Peo Sjoblom
 
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One way

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

Regards,

Peo Sjoblom

"Rosie" wrote:

Is it posible to put in a formula to ensure there are no duplications when
putting in numbers in cell?

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Jason Morin
 
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There's a simple method using COUNTIF and Validation. See
Debra Dalgleish's website for specific instructions:

http://www.contextures.com/xlDataVal07.html#Unique

HTH
Jason
Atlanta, GA

-----Original Message-----
Is it posible to put in a formula to ensure there are no

duplications when
putting in numbers in cell?
.

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