How to remove duplicates in Excel Now that you know which values in your spreadsheets are duplicates, you can remove them. You could simply hide the columns, but permanent deletion may be preferable.

You can remove duplicates in Excel in a few steps. Duplicates can create problems when you're dealing with data.

Install the Remove Duplicates add-on from the Google Workspace Marketplace. In your sheet, click Extensions, then Remove Duplicates, and choose: Find Duplicates or Uniques.