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Compare Two Columns in Excel

To compare two columns (A & B) in Excel use the following formula in C. If more than 1000 rows are used update the formula as needed. Autofill the C column as needed.

=IF(ISERROR(VLOOKUP(A1,$B$1:$B$1000,1,FALSE)),A1,””)

UPDATE: I kind of like this a little better.

=IF(ISERROR(VLOOKUP(A1,B$1:B$1000,1,FALSE)),A1,””)

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