Here the example is given for column A:
=COUNTIF($A$2:$A711,$A13)<2
Showing posts with label Data Validation. Show all posts
Showing posts with label Data Validation. Show all posts
Friday, August 6, 2021
Subscribe to:
Posts (Atom)
Here the example is given for column A:
=COUNTIF($A$2:$A711,$A13)<2