MHT file: How to open? The best software for opening mht files

MHT

Mime HTML (MHTML) document

File type: Email related data file, Document file, Internet related file

An mht file extension is associated with the Mime HTML files. MHTML is web archive format used to bind resources and HTML code into a single file. Used mainly on internet and openable with every web browser.

What is mht file?

File type category:
Email related data file
Document file
Internet related file

Date updated: June 27, 2025

The mht file extension is used for files written in MHTML, short for MIME HTML, a web page archive format used to bind resources that are typically represented by external links (such as images and multimedia files) together with HTML code into a single file.

The first file is normally encoded HTML; subsequent parts are additional resources identified by their original URLs and encoded in base64.

The Mime HTML format is sometimes called MHT after the suffix mht given to such files by default when created by Internet Explorer, Opera, or Firefox.

MIME types:
multipart/related
message/rfc822

How to open mht file?

You can use any word processor or text editor (Microsoft Word, Notepad) to edit Mime HTML (MHTML) *.mht file.

Any common web browser can open .mht files.

How to convert mht file?

Various elements out of MHT files can be exported or converted. Texts can be saved as documents, images may be exported to various format and some goes for any embedded videos or sounds.

Suggested software to open mht file:

Associated software actions with the mht file

MHT