XHT File Extension
What is a XHT file?
The XHT extension is related to XHTML Format and is classified in the Web Files category, which contains 283 files.
XHT files are compatible with various operating systems, including Windows, Mac OS and Linux as well as mobile platforms such as Android and Apple iOS. You can open a XHT file using one of 12 programs, for example Firefox, Adobe Dreamweaver and Opera Browser.
Programs that support XHT files
Windows
Mac OS
Android
Apple iOS
How to open a XHT file?
The most common reason why a XHT 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.
Firefox, Adobe Dreamweaver and Opera Browser are among the most widely used programs for handling XHT files. If you wish to install the latest release of Firefox, visit the official Mozilla portal and download the edition that works on any operating system.
Following installation, XHT files should be automatically opened with Firefox.
Set Firefox as the default XHT application
Change the default app that opens a file on Mac
- Right-click or use Control + Left-click on the desired XHT file to open a menu where you can choose from multiple actions;
- Choose "Open in Application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Firefox. Check the box next to "Always open in app" to make sure it’s the default option.
Change default programs in Windows
- Start the process by right-clicking on your XHT file and selecting "Open With". From there, click "Choose another app" to continue;
- From the options listed in the pop-up window, specifically choose Firefox as the application to handle your XHT file;
- Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.
Troubleshooting guide for XHT file complications
When issues arise with XHT files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the possible solutions to recover a corrupt XHT file?
Start a recovery program, open the damaged XHT file and then select the "Repair" menu item to start the repair procedure. Wait for the recovery process to finish, allowing automatic repair of damaged web files.
How can I confirm if my XHT file has been damaged?
The signs of corrupted XHT web files can manifest as:
- The file shows slow performance when edited in Adobe Dreamweaver;
- The file stops responding or freezes in Firefox or other programs;
- The file does not respond or shows errors when opening it;
- Unexplained XHT file size inflation;
- The file operation is accompanied by the display of error messages;
What are the possible causes of Firefox crashing?
Lack of regular software updates can cause Firefox to crash. Make sure you have installed the latest updates for Mozilla products.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.
How to edit a XHT file?
To modify XHT files, it is necessary to install dedicated software that lets you open and edit web files. Online XHT editors generally offer fewer tools compared to programs designed for XHTML Format.
Best XHT Editor Software in 2026
Taking into account the provided details, we have prepared a list of XHT editors that match your needs.
| XHT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe Dreamweaver | Adobe | Windows, Mac OS | 4.2 out of 5 (41 review) |