MHTML is an initialism for “MIME encapsulation of aggregate HTML documents”. It combines HTML code and companion resources like images represented by external hyperlinks into a single computer file. The content encoding uses techniques first developed for HTML email messages with the MIME content type multipart/related. MHTML files use a .mhtml or .mht filename extension.
The .mhtml extension can also be renamed as .eml and opened as an .EML file instead. Windows – Select “Save page as…” in the menu and choose “Webpage, Single File” to create an MHTML file in Chrome. macOS – Select “Save Page As…” and choose “Webpage, Single File”.
A MHTML file stores an entire webpage in a single file including html code, images, audio etc. The file extension will contain HTML code, images, audio files, flash animation etc when one saves a webpage as MHTML format.
Microsoft Windows uses the MHTML file format for recording usage scenarios of application problems. The actual specifications are as detailed in RFC 2557. The MHTML filename suffix is mostly used for MIME HTML Format files. MHTML files are supported by software applications available for devices running Mac OS, Windows.
Change the file extension from .mhtml to .zip then open the ZIP file using an extraction tool. MHTML files themselves are generally safe but can spread malware if opened from untrustworthy sources. Always ensure MHTML files come from reputable sources.
MHTML stands for MIME HTML and combines resources like HTML code, images into a single file to preserve the functionality of a web page for sharing. Most web browsers, email clients, and word processors support the MHTML format.
To view or edit MHTML files you need to know the file format. A file format is determined by the file extension and signature. Different programs can use the same extension, and extensions can be assigned incorrectly. Exact format knowledge is important to solve file problems.
Below are tips on how to open MHTML files and a list of programs supporting them. Many files contain only simple text data.
Microsoft Edge
Internet Explorer
Google Chrome
Mozilla Firefox
Opera