How to highlight duplicates in Google Sheets by using COUNTIF function with conditional formatting Written by Corey Bustos Updated on March 25, 2023 in Related Posts:7 ways to highlight duplicates in Google SheetsHighlight row based on cell values in Google Sheets2 ways to remove duplicates in Google SheetsHow to easily clear formatting in Google SheetsData organizer / calculator template for building…How to highlight text and cells in Google Sheets