VBA Code to Highlight Duplicates in Excel

This code highlights duplicate values in the selected range.

VBA Code:

Sub HighlightDuplicates()
    Selection.FormatConditions.AddUniqueValues
    Selection.FormatConditions(Selection.FormatConditions.Count).SetFirstPriority
    Selection.FormatConditions(1).DupeUnique = xlDuplicate
    Selection.FormatConditions(1).Interior.Color = RGB(255, 0, 0)
    Selection.FormatConditions(1).StopIfTrue = False
End Sub

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— Founder & Editor, TechGuruPlus.com
[MBA in Finance]

Nazim Khan has spent over ten years working with Excel, Tally and office documentation in accounts, finance and MIS roles. He has been running TechGuruPlus.com since 2016, where he publishes free editable templates for office work, and the YouTube channel Business Excel. He has trained more than 50,000 people online. Every template on this site is built and checked by him before it is published.

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