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Identifying Duplicates

  1. #1
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    Identifying Duplicates

    i currently have two columns (e.g. A2:A400, B2:B20) and i am trying to match all the values in B to A, displaying TRUE or FALSE (if the values from B don't appear in A) in column C. i have tried using the various formula for duplicates, substituting what i thought would be the correct formula, but to no avail. i know this is super simple but it's very frustrating. please help.
    L.
    Last edited by NBVC; 05-27-2009 at 08:05 AM.

  2. #2
    Forum Expert NBVC's Avatar
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    Re: duplicates nightmare

    in C2:

    =Isnumber(Match(B2,$A$2:$A$400,0))

    copied down.
    Where there is a will there are many ways.

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  3. #3
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    Re: Identifying Duplicates

    thanks very much.

    L.

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