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How to highlight/conditional formatting unique/duplicate values in Excel?

Author: Sun Last Modified: 2014-10-31

If there is a range of data including duplicate and unique values in Excel worksheet, and how can you quickly highlight duplicate or unique values only from this range? Now you can solve it by following steps in Excel.

Highlight duplicate/unique values

Highlight duplicate/unique values with Kutools for Excel

arrow blue right bubble Highlight duplicate/unique values

The Conditional Formatting function in Excel can do a favor for you.

1. Select the data range you need, and click Home > Conditional Formatting > Highlight Cells Rules > Duplicates Values. See screenshot:


2. Then in the in the Duplicate Values dialog, select Duplicate in the left list, and then specify the color you need from the list of values with list. See screenshot:


Tip: If you need more color options, you can select Custom Format from the values with list, and in the Format Cells dialog, click Fill tab, and select color you want.


3. Click OK to apply the Conditional Formatting function. Now you can see only duplicates are highlighted. See screenshot:



1. The highlighting will change as the data change.

2. If you want to highlight unique values only, you can select Unique in the list of the Duplicate Values in step 2.


arrow blue right bubble Highlight duplicate/unique values with Kutools for Excel

If you just want to highlight the duplicate or unique values in only a column, you can use Kutools for Excel’s Select Duplicate & Unique Cells function.

Kutools for Excel includes more than 300 handy Excel tools. Free to try with no limitation in 30 days. Get it Now

1. Select the list where you want to find out duplicate or unique cells, and click Kutools > Select Tools > Select Duplicate & Unique Cells. See screenshot:


2. In the popping dialog, you can check the option you need in the Rule section, here I check All duplicates (Including 1st one). See screenshot:


3. Click Ok to apply the function. And a dialog popped out to tell you the number of selected rows.


4. Then click OK > Cancel to close dialogs. Now you can see all duplicates are selected.


Click here for more about Select Duplicate & Unique Cells.

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