Hi Gurus,
I am trying to populate values in sheet 2 column A to Column B in sheet 1. The data in lookup field is not unique therefore can't populate the correct customer number from sheet 2 to sheet 1. The lookup field in this case is OBA number.
Since the data consist of thousands of lines, excel usually crashes if I try to apply any formula. Is it possible to have a macro to resolve this issue?
I attach a sample file for reference.
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