compression

how to convert .dat files into divX format? I am using VirtualDub and this is how it tried. First open .dat file, change compression to divX, "don't know about sound compression", save as AVI? (that only thing it shows in file menu). i am not sure. Kindly help!

Hi! Ive got a 10gb hard disk with 2 partitions and approx. 2gb free on each. Yet everytime i boot windows 98 a compression tool called drivespace3 gives me a message saying that i should recompress my files. What do i do? Please help! :roll:

I have a lot of data on my pc that i dont use (dumped data) Whcih is the best compression method so that it occupies less space I mean zip it or any other tecnique in more effective Same is the case with my video files so which is the best format 4 videeos which occupies less space plz...

I have 3 questions: 1) Aren't Audio CD's supposed to sound better than Audio cassettes? But how can that be? Firstly there will be some data-loss due to the sampling (depending of course on the sampling frquency, and the permissible size of each audio-file), regardless of the efficiency of...