Identify duplicate values in Excel

For example, I have a range of Part Nos. or Book ISBNs, or Product Codes that are similar looking and difficult to compare manually. I want to easily identify the duplicates in the range.

To do it in Excel, here is the answer:

a) Select the range containing the data set. Click on "Conditional Formatting" under "Home" tab.

excel identify duplicate values

b) Click on "Highlight Cells Rules" -> "Duplicate Values".

excel identify duplicate values

c) The duplicate values in the range are highlighted as shown below.

excel identify duplicate values

 

You can find similar Excel Questions and Answer hereunder

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