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How To Convert DAT to ASF
This following application listed in this page should offers the easiest way of converting DAT (stored in VideoCD 2.0) files to ASF for you with re-encoding technology to preserve the original quality as possible as it can.
About DAT to ASF Converter 
Advanced X Video Converter – A professional tool for converting DAT (here DAT is referred to a video file that has .DAT file extension normally stored in a VCD disk, example MUSIC01.DAT or AVSEQ01.DAT) to ASF and available for converting between all other popular formats, It can quickly create or output asf files with high quality, and playable with your Windows Media Player.
The program is the ultimate “must have” video conversion software! If you have encountered with the problem “do not know which codecs you should install on your computer for your conversion”, and “find it annoying looking for an appropriate application suited for your conversion”, then Advanced X Video Converter is for you. with almost all inbulit-codecs installed and has the features of converting a big range of video formats.
It provides the user with a powerful and easy to use interface to go to conversion with ease. Simply select the video file you want to convert, choose the output format as you want, then click convert, that all! Just buy it and get the full version now!
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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.