.asf Active Streaming Format
.avi Short for Audio Video Interleave, the file format for Microsoft’s Video for Windows standard.
.gif Graphics Interchange Format—a bitmapped graphics file format used by the World Wide Web, CompuServe and many BBSs. GIF supports color and various resolutions. It also includes data compression, making it especially effective for scanned photos.
.jpeg Joint Photographic Experts Group image format. A popular Internet compression format for color images.
.mov File extension used with QuickTime movies.
.mov File extension used with QuickTime, a popular file format for video on a computer developed by Apple.
.rm Most common file extension used with RealMedia files. ...