Put in B1:
=IF(ISNA(MATCH(A1,C:C,0)),"",INDEX(D:D,MATCH(A1,C: C,0)))
Copy down to the last row of data in col A
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Max
Singapore
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xdemechanik
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"MDI Anne" wrote:
I have 3 data columns. Column A has 100 data cells, Column C has 25 data
cells, Column D has 25 data columns (related to column C).

I would like to compare Column A to C and if there is a match, put Column D
value in Column B, otherwise leave it blank.