Hi all,
I'm hoping for some assistance please if possible.
It's kind of hard to explain but I've attached a sample of what i'm looking for.
I have a list of internal and customer ID's. The customer ID's can only appear once and against a unique internal ID and cannot be duplicated.
Thanks in advance
Welcome to the forum.
There is no Excel 2020 to my knowledge - so do you have MS365 or Office 2021? Or something else? This will affect solutions offered.
Ali
Enthusiastic self-taught user of MS Excel who's always learning!
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Hi,
Apologies, all it says is Excel 365, i believe it's the latest one?
Yes, thanks - please update your profile accordingly.
See if this works for you:
=IF(AND(COUNTIFS($A$2:$A$10,A2,$B$2:$B$10,B2)=1,COUNTIF(B$2:B2,B2)=1),1,0)
Done. Thanks again
Yes!! that's fab. thanks so much
OK - see post #4 for solution (I hope).
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