How To Convert Video to ASF
This following application listed in this page should offers the easiest way of converting video files to ASF for you with re-encoding technology to preserve the original quality as possible as it can.
About Video to ASF Converter 
Opell Video to ASF WMV Converter is a useful, powerful and perfect video converter software. It can convert all popular video file to WMV and ASF video format and audio AAC AAC MP3 format. Very user-friendly interface. It’s so easy that anyone can use it with a few clicks enough, works in just a few quick steps and takes only minutes can output files without any quality loss, even seconds! Free Download it to have a wonderful experience from now on!
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Note:
The above downloads are the downloaders from Regnow of Digital River Inc (Nasdaq: DRIV). When it is running, the firewall on your computer may popup the request for Internet access. They have been tested and are 100% CLEAN.
DigitByte Software for Windows, Mac, iPhone, iPad, iPod – free download