Check each column individually, and put a 1 or a 0 in a cell below each column. Then test that row of values for a 1. Not pretty, but functional.
Prevent duplicates before they happen by combining a simple function with data validation. We may earn from vendors via affiliate links or sponsorships. This might affect product placement on our site ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results