identify duplicate values in Excel

Q42. Is there a way I can easily identify the duplicate values in a dataset?

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 excel identify duplicate values

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

excel excel excel identify duplicate values


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