Click OK . Excel will tell you how many duplicate values were found and removed. Method 2: Using Conditional Formatting (Best for Reviewing)
If you aren’t ready to delete data yet and just want to see the duplicates first, use this visual method.
Whether you are managing a massive mailing list or a simple budget, duplicate data can sneak into your spreadsheets and cause serious reporting errors. Fortunately, Excel offers several built-in tools to clean up your data, ranging from a quick "one-click" button to advanced formulas for more control.
Click anywhere inside your data range or press Ctrl + A to select the entire table.
Here is your comprehensive guide on how to delete duplicates in Excel using four proven methods. Method 1: The "Remove Duplicates" Tool (Fastest & Easiest)
Check the columns you want Excel to compare. If you select all columns, Excel only deletes rows where every single cell is identical.