MHTML

mhtml icon

Web page archive

File type: Internet related file

Files with mhtml extension can be found as special archived web pages saved in MIME MHTML format.

What is mhtml file?

File type category:
Internet related file

Date updated: June 27, 2025

The mhtml file extension is used for a files in special MHTML format.

Short for MIME HTML, it is a web page archive format used to bind resources which are typically represented by external links (such as images, Flash animations, Java applets, audio files) together with HTML code into a single file. The first of the file is normally encoded HTML, subsequent parts are additional resources identified by their original URLs and encoded in base64. This format is sometimes referred to as MHT, after the file extension MHT given to such files by default when created by Microsoft Word, Internet Explorer, Opera or Firefox.

MIME types:
multipart/related
message/rfc822
application/mime

How to open mhtml file?

Use Microsoft Office Word 2002 or higher or Internet Explorer, Firefox, Opera.

How to convert mhtml file?

Some programs can process or convert MHTML files to other source files.

Suggested software to open mhtml file:

Microsoft Edge icon
Microsoft Edge

Associated software actions with the mhtml file

Software applications that can open mhtml files:

Microsoft Edge icon Microsoft Edge (Microsoft Windows)

Opera browser icon Opera browser (Microsoft Windows)

Firefox icon Firefox (Microsoft Windows)

Google Chrome icon Google Chrome (Microsoft Windows)

Opera browser for Mac icon Opera browser for Mac (Apple macOS / Mac OS X)

Firefox for Mac icon Firefox for Mac (Apple macOS / Mac OS X)

Google Chrome for Mac icon Google Chrome for Mac (Apple macOS / Mac OS X)

Opera browser for Linux icon Opera browser for Linux (Linux/Unix)

Firefox for Linux icon Firefox for Linux (Linux/Unix)

Google Chrome for Linux icon Google Chrome for Linux (Linux/Unix)