HT4 File Extension

HTML Version 4
- File Type ht4
- Popularity
- Application Adobe Dreamweaver
- Category Developer Files
What is a HT4 file?
The HT4 file extension is linked to HTML Version 4 and belongs to the Developer Files category, which includes 1166 files.
HT4 files are compatible with various operating systems, including Windows, Mac OS and Linux. To open a HT4 file, you can choose from 2 programs such as Adobe Dreamweaver and Sublime Text.
Programs that support HT4 files
How to open a HT4 file?
If you cannot open a HT4 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.
Adobe Dreamweaver and Sublime Text are recognized as the most popular software solutions for dealing with HT4 files. To set up the newest version of Adobe Dreamweaver on your device, simply go to the official Adobe website. There you can download the edition compatible with every operating system.
Once installed, Adobe Dreamweaver will be set as the default program, and HT4 files will open automatically.
Set Adobe Dreamweaver to open HT4 by default
Setting a default program by file type in Windows
- Right click on your HT4 file, then select "Open with" and click "Choose another application";
- Find the Adobe Dreamweaver 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 HT4 files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired HT4 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 Adobe Dreamweaver. Check the box next to "Always open in app" to set it as the default program.
How to edit a HT4 file?
Editing HT4 files requires installing professional software that lets you open and edit developer files. Online editors have more limitations compared to dedicated HTML Version 4 programs.
Best HT4 editors in 2026
Considering the mentioned criteria, we have compiled a list of HT4 editors that may suit your needs.
| HT4 Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Adobe Dreamweaver | Adobe | Windows, Mac OS | 4.5 out of 5 (38 reviews) |
Convert to and from HT4
If you struggle with a HT4 file, consider converting it to alternative formats such as TP or other similar file types.
Converting a HT4 file may not fully retain all functionality, but it is generally possible to return it to the original format.
Convert HT4 to other file formats
Easy HT4 Troubleshooting
Certain problems with HT4 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 HT4 file?
Open the corrupted HT4 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 developer files.
How do I know if my HT4 file is corrupted?
Corrupted HT4 developer files may show the following signs:
- Attempts to open the file result in errors or failed results;
- Editing the archive in Adobe Dreamweaver is accompanied by slow performance or delays;
- The file causes Adobe Dreamweaver or other programs to hang or crash during operation;
- Unexplained increase in HT4 file size;
- Error messages appear while working with the file;
What are the reasons behind Adobe Dreamweaver crash?
The likely cause of Adobe Dreamweaver crashing is lack of software updates. Install the latest updates available for Adobe 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.





