Microsoft or whatever has a new(?) .mht format, apparently a bundle of
files. But firefox/lynx/w3m doesn't support it in some fashion yet,
but Internet Explorer apparently does, as does munpack:

$ wget http://bx4ah.myweb.hinet.net/4th%20ARDF.mht
$ munpack -t 4th\ ARDF.mht
part1 (text/html)
part2 (image/jpeg)
part3 (image/jpeg)
part4 (text/xml)