LTR File Extension
Letter Format
- File Type ltr
- Popularity
- Application Sublime Text
- Category Text Files
What is a LTR file?
Letter Format, identified by the LTR extension, is a Text Files type and includes 315 files.
LTR files are compatible with various operating systems, including Windows, Mac OS and Linux. There are 5 programs available to open a LTR file, including popular tools like Sublime Text, Atom and PSPad.
Programs that support LTR files
How to open a LTR file?
If you are having trouble opening a LTR file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Sublime Text, Atom and PSPad are recognized as the most popular software solutions for dealing with LTR files. If you wish to install the latest release of Sublime Text, visit the official Sublime HQ Pty portal and download the edition that works on any operating system.
Once Sublime Text is installed, the OS should configure it as the default tool for opening LTR files.
Set Sublime Text as the default LTR handler
Setting a default program by file type in Windows
- Right-click on your LTR file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- In the pop-up window, find and select the Sublime Text application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening LTR files.
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired LTR file to launch the file options menu;
- Select "Open in application" and click "Other";
- Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
- In this menu, select "All Programs" and search for Sublime Text. Check the box next to "Always open in app" to make it the default option.
How to edit a LTR file?
Editing LTR files requires installing professional software that lets you open and edit text files. Online editors have more limitations compared to dedicated Letter Format programs.
List of Top LTR editors 2026
According to these factors, we have compiled a list of available LTR editors.
| LTR Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| PSPad | Jan Fiala | Windows | 4.7 out of 5 (41 review) |
| 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) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Effective solutions for LTR file problems
If LTR files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What are the possible solutions to recover a corrupt LTR file?
Start a data recovery program and open the damaged LTR file. Go to the menu and select the "Repair" option to repair the file. Allow the recovery process to complete, which will automatically repair the damaged text files.
Are there any symptoms that my LTR file is damaged?
Corrupted LTR text files may show the following signs:
- Opening the file in Sublime Text or other programs causes them to hang or crash;
- Error dialogs are displayed when interacting with the file;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the LTR file;
- Editing the archive in Sublime Text is accompanied by slow performance or delays;
What are the possible causes of Sublime Text crashing?
The absence of software updates can cause Sublime Text to crash. It is recommended to install the latest available updates for Sublime HQ Pty products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.