Axxo isnt a format, it is the person that distributes decent quality .avi movies on torrent sites. Its in DIVX format I believe and there are many programs to convert. I use Nero but not everyone has it and it costs money. Many people around here use free DVD Flick http://www.afterdawn.com/software/video_software/dvd_tools/dvd_flick.cfm/v1_2_2_1 Instructions= http://www.wikihow.com/Burn-DVDs-from-AVI-Files-with-DVD-Flick
ConvertXtoDVD does a very nice job on converting avi/divx movies into DVD format. At the end of the job it'll burn it to a dvd-r for you too..