Can anyone please explain how the following was done. I'm unsure whether a simple formula or excels standard functions were used.
Before: Random Data Clense _Master sheet2.xlsx (20.0 KB) (attached)
The spreadsheet needed to be cleaned of duplicates but the extra column had to contain the unique IDs of duplicates removed.
After: Random Data Clense _Master sheet2_halfdone.xlsx (16.5 KB) (attached)
Thanks in advance!
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