Thought I was being efficient and Ctrl+V’d a CSV into Sheet2, then realized the filter was off and I duplicated 8,142 rows. Anyone else hit undo so hard the laptop flinched, and what’s your go-to to clean it fast — Remove Duplicates or a quick helper column? Fix is easy and I’m laughing now — you’ve got this.
, did this with about 10k rows last week. > flinched, and what’s your go-to to clean it fast — Remove Duplicates or a — helper column with COUNTIFS on your key columns, filter >1, delete the flagged rows, then drop the helper; it keeps the first occurrence and preserves order. If your 8,142 rows don’t need order kept, select all columns and smash Remove Duplicates.