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# How to find duplicates in Excel

Seeing double? Here's how to find and remove duplicate cells.
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Published onFebruary 9, 2023

As you grow your Excel skills, you’ll probably find yourself working with large amounts of data. Whether you’re using it as data points or searching for unique answers, it’s crucial to be able to find duplicates to ensure your calculations are correct. Here are a few helpful ways to get the job done.

To find duplicates in Excel, select the range of cells you'd like to inspect, then navigate to Conditional Formatting --> Highlight cell rules and select Duplicates values.

KEY SECTIONS

## How to find duplicates in Excel

Select your range of cells. As with any Excel function, you must decide which data you want to work with.

Head up to the Home tab and locate the Styles section. Now click on Conditional Formatting to open a dropdown menu.

Go to Highlight Cell Rules and select the Duplicate values option.

Now you should see a menu pop up. You can decide how you want to format your duplicate cells. For our example, we’re going to color the duplicates green. Now click OK to identify the duplicates.

## How to find only duplicates or triplicates in Excel

Maybe you’re looking for a way to pair up data points, and you need to eliminate third points. Using the same steps, you can expand the same function to work with triplicates and above. However, it’s slightly trickier as you also start using the COUNTIF function. Here is how to do it:

First, select your cell range and return to Conditional Formatting in the Styles section. Instead of going to Highlight Cell Rules, go down to New Rule below Icon Sets.

This will bring up a menu for you to build your rule. Now select Use a formula to determine which cells to format.

Enter your =COUNTIF formula. In this case, it’s =COUNTIF(\$A\$1:\$C\$10, A1)=3 because we’re only looking for sets of exactly three. Click OK to get your results.