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 ...

To pinpoint duplicate entries, apply Excel's conditional formatting feature: Open the Excel worksheet containing the data in question. Select the column or range you want to inspect for duplicates.

There are many ways to find duplicates in a Microsoft Excel data range—conditional formatting being one of the most commonly used. When the rule is TRUE, the format stays until the condition is ...