Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data. Skip to main content ...

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’s no built-in duplicate rule for Excel’s Data Validation feature, but you can combine the feature with the COUNTIF() function to get the job done. To do so competently, you need to know ...

There are several ways to find duplicates in a Microsoft Excel sheet. You can use functions, conditional formatting, filtering and more. Microsoft Excel even offers a built-in feature that will ...