Excel How ToLesson 125Free preview
Remove Duplicates
This lesson is part of Excel · All levels
Summary
The Remove Duplicates menu removes the double row from the table based on the selected column. This feature is useful for cleaning up transaction data, contact lists, or survey data before analysis. The deletion is permanent, so it's best to back up the data first.
Key points
- It's in the Data tab, the Data Tools group
- The checked column specifies the duplicate definition
- Double-barred permanently removed from the worksheet
- Backup data or use UNIQUE for non-destructive alternatives
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