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How To Convert MPEG4 M4V to ASF
This application WinMPG Video Convert was designed to be a powerful video conversion tool supporting all kinds of video and audio formats (including M4V format)
M4V – MPEG-4 video file format
This following application listed in this page should offers the easiest way of converting M4V (based on mpeg4) files to ASF for you with re-encoding technology to preserve the original quality as possible as it can.
About M4V to ASF Converter 
This application WinMPG Video Convert was designed to be a powerful video conversion tool supporting all kinds of video and audio formats (including M4V format). it has Intuitive user interface, batch convert video and audio tracks, built-in all multimedia codecs for your needs, rip dvd vcd svcd and other video files. If own the full version, you will get the main benefits, such as output stunning high resolution audio/video quality; friendly user window and satisfy your needs and more…
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