Contrary to popular belief,.mht files are not a Microsoft conspiracy. Downloaded. Double-clicking on the file will open it in Opera, which is not the default browser. What we need is a Firefox extension called unMHT. Wait while the UnMHT extension is downloaded. Mozilla Archive Format With Mht And Faithful Save Add Ons The Extension saves pages as MHT from Firefox. UnMHT adds MHT file reading/writing support to Firefox. View and save MHT files. UnMHT allows you to view MHT (MHTML) web archive format files, and save.
Download unmht or an mht archive extension for firefox - valuable piece
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