XLF File Extension
XLIFF Document
- File Type xlf
- Developer OASIS
- Popularity
- Application OmegaT
- Category Text Files
- Format XML
What is a XLF file?
The XLF file extension is linked to XLIFF Document and belongs to the Text Files category, which includes 315 files.
XLF files are compatible with various operating systems, including Windows, Linux and Mac OS. To open a XLF file, you can choose from 6 programs such as OmegaT, PSPad and Atom.
MIME types
- application/x-xliff+xml
Programs that support XLF files
How to open a XLF file?
If you cannot open a XLF 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.
OmegaT, PSPad and Atom are recognized as the most popular software solutions for dealing with XLF files. To set up the newest version of OmegaT on your device, simply go to the official OmegaT project website. There you can download the edition compatible with every operating system.
Once installed, OmegaT will be set as the default program, and XLF files will open automatically.
Set OmegaT to open XLF by default
Setting a default program by file type in Windows
- Right click on your XLF file, then select "Open with" and click "Choose another application";
- Find the OmegaT 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 XLF files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired XLF 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 OmegaT. Check the box next to "Always open in app" to set it as the default program.
How to edit a XLF file?
Editing XLF files requires installing professional software that lets you open and edit text files. Online editors have more limitations compared to dedicated XLIFF Document programs.
Best XLF editors in 2026
Considering the mentioned criteria, we have compiled a list of XLF editors that may suit your needs.
| XLF 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) |
| Swordfish Translation Editor | Maxprograms | Windows | 4.6 out of 5 (40 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
| OmegaT | OmegaT project | Windows | 4.1 out of 5 (41 review) |
Easy XLF Troubleshooting
Certain problems with XLF 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 XLF file?
Open the corrupted XLF 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 XLF file is corrupted?
Corrupted XLF text files may show the following signs:
- Attempts to open the file result in errors or failed results;
- Editing the archive in OmegaT is accompanied by slow performance or delays;
- The file causes OmegaT or other programs to hang or crash during operation;
- Unexplained increase in XLF file size;
- Error messages appear while working with the file;
What are the reasons behind OmegaT crash?
The likely cause of OmegaT crashing is lack of software updates. Install the latest updates available for OmegaT project 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.