Before uploading your video to the YouTube website, you will need to get it on your computer. Once you have done so, you will want to review it. This can be done with a movie editing software program. Should you wish to edit your video before submitting it to YouTube, now is the time to do so. When editing your YouTube video or saving it, YouTube encourages to you save it as a .Divx or .Xvid file. They also suggest making sure that your audio is in the .mp3 format. Once you have officially saved your video on your computer, you can begin to upload it to the YouTube website. http://ping.fm/NFk4y