Review Excel Duplicate Definitions Before Removing Rows

Excel duplicate cleanup can concern repeated cells, complete duplicate rows, or matches based on only selected fields. The Ablebits guide separates these situations and discusses removal with or without first occurrences. The correct choice depends on which records the final dataset should retain.

Define the identifying columns before running a removal tool. Two transactions sharing a customer name are not necessarily the same record. Keep a backup and inspect a small set of repeated examples first. A clean-looking table is useful only when the deletion rule preserved legitimate entries rather than simply reducing the row count.