How to remove duplicate lines in Notepad++
This tutorial will show you step by step how to remove duplicate lines in Notepad++.
You can delete identical lines from a text file (TXT) or remove duplicate lines from other files, such as HTML and XML files.
Notepad++ is a free text and source code editor for Windows 10 and 11.
You can download Notepad++ for free from the maker's website notepad-plus-plus.org.
1. Click on Edit located in the top menu of Notepad++.
2. In the drop-down menu, you move your mouse cursor (pointer) to Line Operations.
3. Click on Remove Duplicate Lines.
Edit > Line Operations > Remove Duplicate Lines.
That's it! The duplicate lines are now removed.
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