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

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.

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.

Once we started using Google Sheets’ built-in tools to highlight duplicates, it became one of those productivity hacks we rely on every single month.

No Google Sheets add-ons are required. Search Google Sheets with the Find feature The built-in Find function is the easiest way to look for data in Google Sheets.

Here’s how to sort in Google Sheets to save you time. See also: How to find, highlight, and remove duplicates in Google Sheets QUICK ANSWER To sort in Google Sheets: ...

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