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Index Match with Duplicate Values

  1. #1
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    Index Match with Duplicate Values

    I am trying to get different information from duplicate values. I am looking to get names from duplicate numbers based off of a master list of numbers. Here is the formula I have been using but it is not working correctly:
    {=INDEX(B$2:B$3270,SMALL(IF(MATCH(J2,A$2:A$3270,0),ROW($A2:$A3270)),COUNTIF(J$2:J2,J2)))}
    I attached the file as it is easier to see there.
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  2. #2
    Forum Guru AlKey's Avatar
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    Re: Index Match with Duplicate Values

    Maybe this

    =IFERROR(INDEX(B$2:B$3270,SMALL(IF($A$2:$A$3270=J2,ROW($A$2:$A$3270)-1),COUNTIF($J$2:J2,J2))),"")

    ...confirmed by pressing CTRL+SHIFT+ENTER to activate the array, not just ENTER. You will know the array is active when you see curly braces { } appear around your formula. If you do not CTRL+SHIFT+ENTER you will get an error or a clearly incorrect answer. Press F2 on that cell and try again.
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  3. #3
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    Re: Index Match with Duplicate Values

    Hi All,

    a possible alternative approach (for Excel 2010 or newer)


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