Quote:
Originally Posted by hombreazul
Hello,
I have two columns. Column one identifies a customer. Column two identifies an order. I would like conditional formatting which highlights the instances where there are multiple instances of orders from the same customer. I was able to create COUNTIF(A:A,A2)1 to find duplicates in column one and I thought, since it works out to TRUE or FALSE (1,0), I could use this feature in an IF. So I wrote =(IF(COUNTIF(A:A,A2)1*B20,1,0)) and got stuck. Clearly that does not work in any way.
I am out of my depth and would appreciate one of you gurus setting me straight. Thank you.
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I presume the order numbers in column 2 are unique? If so, I'm unsure as to what you're trying to acheive with the second formula.
If you could explain that a little more I'm sure you'll get the help you need.