How to remove duplicates in Excel for a single column When you have duplicate data that you want to remove from a single column in your dataset, start by clicking into the column you want to dedupe.

How to find duplicate data in Excel? If you want to check for any duplicate data in your Excel file before deleting it, follow this procedure: Select and highlight all the data you want to search for ...

For multiple columns, select the relevant columns, use the “Remove Duplicates” feature, and specify columns to consider for duplicates.