MHTM File Extension
Mime HTML (MHTML)
- File Type mhtm
- Popularity
- Application Microsoft Edge
- Category Web Files
What is a MHTM file?
Mime HTML (MHTML), identified by the MHTM extension, is a Web Files type and includes 283 files.
MHTM files are supported by Linux, Windows and Mac OS. You can open a MHTM file using one of 4 programs, for example Firefox, Microsoft Edge and Internet Explorer.
MIME types
- message/rfc822
- multipart/related
Programs that support MHTM files
How to open a MHTM file?
The most common reason why a MHTM 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.
The most popular programs for working with MHTM files are Firefox, Microsoft Edge and Internet Explorer. To get the latest version of Microsoft Edge, open the Microsoft website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign Microsoft Edge as the default app for MHTM files.
Make Microsoft Edge the default MHTM viewer
Changing the default program in Windows
- Start by right-clicking on your MHTM file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose Microsoft Edge as the application to associate with your MHTM file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired MHTM file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Microsoft Edge. Check the box next to "Always open in app" to make it the default program.
Finding answers to MHTM file problems
If you encounter issues with MHTM files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my MHTM file is damaged?
Corrupted MHTM web files may have one or more of the following symptoms:
- Opening or processing the file in Microsoft Edge or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the MHTM file;
- Working with the file triggers the display of error messages;
Why does Microsoft Edge quit or crash unexpectedly?
Microsoft Edge crashes can be attributed to outdated software. Make sure you have installed the latest updates for Microsoft products.
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 methods can be used to repair a damaged MHTM file?
Use a recovery program to open the damaged MHTM file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged web files.