OK I'm alright with conditional formatting but have I the formula in data
validation correct for preventing entering duplicates. I am working in Column
E
"Bearacade" wrote:
Start with E1 and put this in the conditional formating
in Condition 1, put in Formula is =COUNTIF(A:A,A1)1 and change the
format to whatever highlight you want
now drag and fill as far down as you need
Now when you have a repeating number, both of the cells will highlight
--
Bearacade
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