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Possible Duplicate:
Extract values from a range that are missing from another

I have two vertical lists. I need to compare the two with each other and get the names that are NOT included in both lists.

ListA | ListB
----- | ------
ABC   | ABC
DEF   | DEF
ASD   | GHI
      | ASD

Should return:

GHI
Community
  • 1
Pieter van Niekerk
  • 723

1 Answers1

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Add this to C1 (assuming you're starting at A1 and B1) and drag down for the full length of the list. 

=CONCATENATE(IF(COUNTIF(A:A,B1), "", B1), IF(COUNTIF(B:B,A1), "", A1))
Dave
  • 25,513