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MHT file extension

The table below provides useful information about the .mht file extension. It answers questions such as:

  • What is the .mht file?
  • What program do I need to open a .mht file?
  • How can the .mht file be opened, edited or printed?
  • How can I convert .mht files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Multipurpose Internet Mail Extension HTML

MHT file is a Multipurpose Internet Mail Extension HTML. When you save a Web page as "Web archive" the Web page saves this information in Multipurpose Internet Mail Extension HTML (MHTML) format with a MHT file extension. All relative links in the Web page are remapped and the embedded content is included in the .mht file, rather than being saved in a separate folder.
Category: Document files
Application: Internet Explorer
Mime-type: application/octet-stream
Magic number: -
Magic string: -
MHT aliases:
mhtl, mhtm, mhtml, pptmhtml
MHT related links:
MHT related extensions:
Active Server Page

Hypertext Markup Language Document

PHP Script

Cascading Style Sheets

Compiled HTML Help

JSP Markup Language

Answer Wizard Index

Dreamweaver Web Template File

Microsoft HTML Application

QuickTime HTML

Other types of files may also use the .mht file extension.

🚫 The .mht file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hht, hmt, ht, kht, lht, mbt, mgt, mh, mhg, mhr, mjt, mmt, mnt, mt, mth

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Everio MediaBrowser 3D Edit Data
HyperTerminal Settings
MetadataTouch Template
Humminbird Track Data
FastCAM MTO Data Template
Musicnotes Guitar Guru Song
SWAT Management Input Data
Help and Support Center HHT
MonkeyTalk Script
OpenAL Soft HRTF Data

🔴 Can't open a .mht file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mht file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mht file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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