It's a bit outdated, but open it in Internet Explorer and save as HTML also do the work
Update:
.mht IE, , " " "-, (.htm;.html)", "filename.htm", 'filename_files'. .tmp. MS "Problem Steps Recorder" "(1)" (, "mhtD3B8.tmp", "mhtD3B8" (1)).tmp '). "(1)" - .jpg, .tmp. '(1)' .
cmd. , "rename *.tmp *.jpg" ( ) "Enter". Voila - .
- .htm, Notepad ++ / .
, !