- .mp4, MPEG-4 Video File, supported by IOS, which means you can play .mp4 videos on iPhone, iPod, etc.
- .avi, Audio Video Interleave File. It is almost supported by any video player and video converter.
Very common video formats
- .flv, Flash Video File, youtube file format.
- .mov Apple QuickTime Movie
Common video formats
- .wmv, Windows Media Video File
- .swf, Shockwave Flash Movie
- .3gp, 3GPP Multimedia File
- .mp3
- .mpg/.mpeg
- .rm, Real Media File
- .vob, DVD Video Object File
- .WebM
If you are not sure which file format to save/convert to, use either .mp4 or .avi which will cause least trouble for your audience.
