LST File Extension
Data List
- File Type lst
- Popularity
- Application Notepad++
- Category Text Files
- Format Text
What is a LST file?
The LST file extension is linked to Data List and belongs to the Text Files category, which includes 315 files.
LST files are compatible with various operating systems, including Windows, Linux and Mac OS. To open a LST file, you can choose from 7 programs such as Notepad++, Sublime Text and Atom.
MIME types
- text/plain
Programs that support LST files
How to open a LST file?
If you cannot open a LST file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
Notepad++, Sublime Text and Atom are recognized as the most popular software solutions for dealing with LST files. To set up the newest version of Notepad++ on your device, simply go to the official Notepad++ Team website. There you can download the edition compatible with every operating system.
Once installed, Notepad++ will be set as the default program, and LST files will open automatically.
Set Notepad++ to open LST by default
Setting a default program by file type in Windows
- Right click on your LST file, then select "Open with" and click "Choose another application";
- Find the Notepad++ application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening LST files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired LST file to access the file’s context menu;
- Select "Open in application" and click "Other";
- At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
- Within this menu, select "All Programs" and then locate Notepad++. Check the box next to "Always open in app" to set it as the default program.
How to edit a LST file?
Editing LST files requires installing professional software that lets you open and edit text files. Online editors have more limitations compared to dedicated Data List programs.
Best LST editors in 2026
Considering the mentioned criteria, we have compiled a list of LST editors that may suit your needs.
| LST Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Windows Notepad | Microsoft | Windows | 4.8 out of 5 (35 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Adobe ExtendScript | Adobe | Windows | 4.2 out of 5 (35 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Easy LST Troubleshooting
Certain problems with LST files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.
What are the steps to repair a damaged LST file?
Open the corrupted LST file in a recovery program and select the "Repair" menu item. Please be patient while the recovery process completes, which will automatically restore the damaged text files.
How do I know if my LST file is corrupted?
Corrupted LST text files may show the following signs:
- Attempts to open the file result in errors or failed results;
- Editing the archive in Notepad++ is accompanied by slow performance or delays;
- The file causes Notepad++ or other programs to hang or crash during operation;
- Unexplained increase in LST file size;
- Error messages appear while working with the file;
What are the reasons behind Notepad++ crash?
The likely cause of Notepad++ crashing is lack of software updates. Install the latest updates available for Notepad++ Team products.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.