Originally Posted by Marcia

I'm sorry NBVC, I missed reading your second post. At any rate, Oluagbe, I removed the name in the criteria but it would be best if you add the registration number in the criteria. You change "$B:$B" to "$C:$C" (The "C" is the column number of the registration numbers in the year sheets) and the C2 to E2. C2 is the cell address of the name in the cummulative sheet while E2 is the registration number.


I've placed the conditional formatting in columns D and E. Try copying a number and pasting below it, the duplicate number should be colored.