When you're working with a spreadsheet, duplicate data can sometimes make its way in and cause all sorts of problems. In this how-to, we demonstrate two methods of using Microsoft Excel for ...

Begin by selecting the range of cells you wish to evaluate for duplicates. In our example, this would be column A. You can easily select the entire column by clicking on the letter A. Go to the Home ...

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.

Excel then tells you how many duplicates it has removed. In my example, 50 appeared in the list three times, and 19 appeared twice, so Excel has removed two 50s and one 19, totaling four duplicate ...

Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of those are an option, try this simple formula solution.