How to Remove Duplicate Lines in Notepad++

Let’s see how to remove duplicate lines from Notepad++ in Windows 10.

Steps

Open Notepad++ file.

Hit Edit at the top.

Hover your mouse over Line Operations above Comment/Uncomment.

You now have two options:

  • Remove Duplicate Lines – will eliminate duplicate lines from the document.
  • Remove Consecutive Duplicate Lines – this will remove duplicate lines that are consecutive.

Click on the one you prefer.

That’s all.

Notes:

To duplicate the line, follow these steps:

Go to the line you want to duplicate.

Press Ctrl + D. That’s all.

Alternate Method

Go to the line you want to duplicate.

Hit Edit at the top.

Hover your mouse over Line Operations which you can find above Comment/Uncomment.

Click on the Duplicate Current Line option.

That’s it.

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