HTM~ File Extension

HTML Hypertext Markup Language web page

File Type htm~
Popularity
4.3 (38 votes)
Application Adobe Dreamweaver
Category Web Files

What is a HTM~ file?

The HTM~ extension is related to HTML Hypertext Markup Language web page and is classified in the Web Files category, which contains 283 files.

HTM~ files are supported by Windows, Mac OS and Linux. To open a HTM~ file, you can choose from 11 programs such as Adobe Dreamweaver, Notepad++ and Sublime Text.

How to open a HTM~ file?

If you cannot open a HTM~ 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, Notepad++ and Sublime Text stand out as the preferred programs to manage HTM~ files effectively. To install the current version of Adobe Dreamweaver, go directly to the official Adobe website. The universal package for all operating systems is available there.

After successful installation, your operating system should seamlessly handle HTM~ files via Adobe Dreamweaver.

Set Adobe Dreamweaver as the default HTM~ program

Change Default Program on Mac

Right click or Control + left click on the desired HTM~ file;
Choose "Open in Application" and click "Other";
Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
Select "All Programs" from this menu and proceed to search for Adobe Dreamweaver. Check the box next to "Always open in app" to set it as the default option.

Set default programs for Windows

Start by right-clicking on your HTM~ file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
In the pop-up window, select the Adobe Dreamweaver application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening HTM~ files.

Solve problems with HTM~ files

HTM~ files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.

What are the ways to check if my HTM~ file is damaged?

HTM~ web files that have become corrupted may display one or more of the following symptoms:

The file does not respond or shows errors when opening it;
The file exhibits poor performance during editing operations in Sublime Text;
The file stops responding or freezes in Adobe Dreamweaver or other programs;
Unexplained HTM~ file size inflation;
Actions performed on the file result in the appearance of error notifications;

Why does Adobe Dreamweaver crash or shut down frequently?

Insufficient updates for Adobe products can cause Adobe Dreamweaver to crash. Be sure to regularly install the latest software updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

Is there any specific software or utility that can help repair a damaged HTM~ file?

Use a recovery program to open the damaged HTM~ file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged web files.

How to edit a HTM~ file?

To make changes to HTM~ files, you need specialized software that allows both opening and editing the web files. Online HTM~ editors offer fewer capabilities than applications optimized for HTML Hypertext Markup Language web page.

Best HTM~ Editor Software in 2026

With the mentioned criteria in mind, we have assembled a selection of HTM~ editors.

HTM~ 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)
Adobe Dreamweaver	Adobe	Windows, Mac OS	4.5 out of 5 (38 reviews)

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