We show you how to highlight duplicates in Google Sheets using the COUNTIF and ARRAYFORMULA functions under the conditional format rules.

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.

If you’ve added the same data more than once by mistake on a spreadsheet or you’re simply looking to find duplicate data, Google Sheets lets you highlight them.

You can delete duplicate rows in Excel and Google Sheets using this simple trick. You need Remove Duplicates add-on for Google Sheets.

Now, Google has announced new features for Sheets, which is now capable of removing duplicate data and trimming white spaces. The web app also receives some new keyboard shortcuts that you might ...

Additionally, Google Sheets can help you find and remove duplicate data. Select a range, then choose Data | Remove Duplicates.