Step-by-step guide to remove duplicates in Google Sheets using built-in tools, UNIQUE/QUERY formulas, scripts, and add-ons. Prevent data errors with pro tips for partial matches, large datasets, and automation.
Step-by-step guide to safely remove duplicates in Excel without losing data. Compare 5 proven methods including Power Query, formulas, and conditional formatting with real-world examples and mistake-proof strategies.
Step-by-step guide to finding and removing duplicates in Excel. Covers conditional formatting, COUNTIF, Power Query, troubleshooting partial matches, and data prep tips with real-world scenarios.