not to use again
Using data validation, with list in D1:D10 and data entry in column E:
In column E set DV to:
Custom
Formula: =COUNTIF(D1:D10,E1)=1
HTH
"ekkeindoha" wrote:
Good day,
Can I enter a formula so that it would not select a number from a list if it
has already been used .
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