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Editorial Team
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Asked: 2026-05-20T00:59:41+00:00

Here is 2 columns of data. I need to write a formula to compare

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Here is 2 columns of data. I need to write a formula to compare the two columns. The end result is I want to know which in column A are not in column B.

COL-A COL-B

1023 1023

1024 1024

1025 1025

1026 1026

1028 1028

1029 1029

Can we write formula for this? or we have to write macro?
I am not in advance to write macro it its required 🙁 help me please

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1 Answer

  1. Editorial Team

    Put this formula in C1:

    =NOT(ISNA(VLOOKUP(A1,B:B,1,FALSE)))

    And expand downwards. It will be TRUE if the value in column A exists in column B.

    For the record, your example data is identical in both columns, so it will always be TRUE.

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