stopping duplicates in a range of cells

A

atcman

Board Regular
Joined
May 13, 2005
Messages
57
when using validation, is it possible to stop duplicates in a range of cells from the same list?

thanks for your time,

atcman
 

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mikerickson

mikerickson

MrExcel MVP
Joined
Jan 15, 2007
Messages
24,348
If you validate A1 with the formula
=(1=COUNTIF(A:A,A1))
you can then Copy/PasteSpecial Validation to the needed column.
 
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