HTML MHTML mhtml MIME HTML format MIME HTML format for Web pages, which can include external resources, including images, Flash animations and so on. eml MHT format MHTML is not strictly an HTML format, it is encoded as an HTML email message (although with multipart/related instead of multipart/alternative). It, however, contains the main HTML block as its core, and thus it is for practical reasons included in EDAM as a specialisation of 'HTML'. 1.9 MIME multipart message format eml MIME multipart format HTML email format MHT mht MIME multipart HTML email message format MHTML format MIME multipart message MIME HTML