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Number is not entered twice in a column or row
Hi
Does anybody out there know if there's a way I can stop someone entering a value in a row/column that is a duplicate of another value already there? Thanks |
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#2
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Number is not entered twice in a column or row
Try Data=Validation
Allow: Custom Formula is: =COUNTIF(A:A,A1)=1 HTH "Boris the Spider" wrote: Hi Does anybody out there know if there's a way I can stop someone entering a value in a row/column that is a duplicate of another value already there? Thanks |
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