DFXP File Extension

Timed Text Markup Language
- File Type dfxp
- Popularity
- Application Sublime Text
- Category Video Files
What is a DFXP file?
Files with the DFXP extension are specifically tied to Timed Text Markup Language, a Video Files type, and there are 445 files in this category.
DFXP file support extends to various operating systems, including Linux, Windows and Mac OS. You can open a DFXP file using one of 6 programs, for example Atom, Sublime Text and PSPad.
Programs that support DFXP files
How to open a DFXP file?
The most common reason why a DFXP file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
Thanks to their popularity, Atom, Sublime Text and PSPad are often the go-to programs for managing DFXP files. To install the updated version of Sublime Text, simply go to the Sublime HQ Pty site and download the installer compatible with all major platforms.
After setup, the operating system should recognize DFXP files and link them with Sublime Text.
Set Sublime Text to open DFXP by default
Change default apps on Mac
- Right-click or use Control + Left-click on the desired DFXP file to access the file’s context menu;
- Choose "Open in Application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate Sublime Text. Check the box next to "Always open in app" to set it as the default program.
Change a default app in Windows
- Start the process by right-clicking on your DFXP file and selecting "Open With". From there, click "Choose another app" to continue;
- Find the Sublime Text 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 DFXP files.
Easy DFXP Troubleshooting
DFXP files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Why does Sublime Text stop responding or crash intermittently?
Lack of regular software updates can cause Sublime Text to crash. Make sure you have installed the latest updates for Sublime HQ Pty 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.
What are the best practices for repairing a DFXP file that has gone bad?
Start a recovery program, open the damaged DFXP file and then select the "Repair" menu item to start the repair procedure. Please wait patiently for the recovery process to finish as it will automatically repair the damaged video files.
How can I confirm if my DFXP file has been damaged?
Characteristics of corrupted DFXP video files can include:
- Editing the archive in Atom is hampered by poor overall performance;
- Trying to work with the archive in Sublime Text or other programs causes instability or program crashes;
- The file does not open correctly or displays error messages;
- An unexplained increase in the size of the DFXP file;
- The file operation is accompanied by the display of error messages;
How to edit a DFXP file?
To modify DFXP files, you need to install special software that makes it possible to open and edit video files. Online DFXP editors are more restricted compared to software designed for Timed Text Markup Language.
Best DFXP editors 2026
Based on your described criteria, here is a list of available DFXP editors.
| DFXP 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) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |









