XFDL File Extension
XFDL Format
- File Type xfdl
- Developer UWI
- Popularity
- Application Notepad++
- Category Document Files
- Format XML
What is a XFDL file?
Files with the XFDL extension are specifically tied to XFDL Format, a Document Files type, and there are 969 files in this category.
XFDL file support extends to various operating systems, including Windows, Mac OS and Linux. To open a XFDL file, you can choose from 6 programs such as Notepad++, Atom and Sublime Text.
MIME types
- application/vnd.ufdl
- application/uwi_form
- application/x-xfdl
- application/vnd.xfdl
File Signature
HEX code: 3C 3F 78 6D 6C 20. ASCII code: ?xml.
Programs that support XFDL files
How to open a XFDL file?
If you cannot open a XFDL 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.
Thanks to their popularity, Notepad++, Atom and Sublime Text are often the go-to programs for managing XFDL files. If you need the newest version of Notepad++, just access the Notepad++ Team website. From there you can download the installer compatible with all systems.
Once Notepad++ is installed, the OS should configure it as the default tool for opening XFDL files.
Make Notepad++ the default XFDL viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired XFDL file to access a dropdown menu of actions;
- Choose "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 Notepad++. Check the box next to "Always open in app" to make it the default option.
Change a default app in Windows
- Start by right-clicking on your XFDL file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- Inside the popup window, scroll through the list of applications and specifically choose Notepad++ as the application to associate with your XFDL file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to XFDL file problems
If XFDL files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What can lead to sudden Notepad++ crashes?
Insufficient updates for Notepad++ Team products can cause Notepad++ to crash. Be sure to regularly install the latest software updates.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What is the recommended approach to repair a damaged XFDL file?
Use a recovery program to open the damaged XFDL file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged document files.
What are the ways to check if my XFDL file is damaged?
Characteristics of corrupted XFDL document files can include:
- The file encounters problems during the opening process or shows error indications;
- Editing the archive in PSPad is hampered by poor overall performance;
- The file causes Notepad++ or other software to hang or crash during various operations;
- An unexplained increase in the size of the XFDL file;
- Actions performed on the file result in the appearance of error notifications;
How to edit a XFDL file?
To modify XFDL files, you need to install special software that makes it possible to open and edit document files. Online XFDL editors are more restricted compared to software designed for XFDL Format.
Best XFDL editors 2026
According to these factors, we have compiled a list of available XFDL editors.
| XFDL 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) |