You can use WonderFox HD Video Converter Factory Pro to handle the conversion. It is a special program for dealing with conversion between varied video and audio files. It supports practically all video files you drop into and provides a wide selection of output formats and profiles for pop devices you may run into in daily life. Converting DAT to MP4 can also be easily achieved in this program. On top of that, there are some highlights making HD Video Converter Factory Pro different from its counterparts. It features the exclusive lightning mode that can fulfill up to 50X faster performances powered by hardware acceleration; it has a package of additional features that enables you to download, edit, polish, create videos handily; it’s an easy tool for all users thanking the direct and well-organized IU. The program works pretty well on PC and will not let you down. Give it a shot.