.VP3 File Extension
File TypeOn2 Streaming Video File
What is a VP3 file?
Streaming video file compressed on-demand using the VP3 video codec; contains compressed video at variable compression rates; used to send the highest video quality possible given bandwidth adjustments and fluctuations.
VP3 files can be played in Windows Media Player and QuickTime provided they have the appropriate codec installed.
The VP3 format was created by On2 Technologies, and is now maintained by Xiph.org Foundation, who has updated the VP3 format to the Theora format.