MHTML stands for MIME HTML. It is a standard for including resources that in usual HTTP pages are linked externally, such as images and sound files, in the same file as the HTML code. The included data files are encoded using MIME. This format is sometimes referred to as MHT, after the suffix .mht given to such files by default when created by Microsoft Word, Internet Explorer or Opera. (Some people feel this is improper usage.
The key to MHTML is that the content is encoded as if it were an email
message, using the MIME type multipart/related. The first part is the HTML file,
encoded normally. Subsequent parts are additional resources, identified by their