HTML - Video Media Types
Flash movies (.swf), AVI's (.avi), and MOV's (.mov) file types are supported by the embed tag.
.swf files - are the file types created by Macromedia's Flash program.
.wmv files - are Microsoft's Window's Media Video file types.
.mov files - are Apple's Quick Time Movie format.
.mpeg files - set the standard for compression movie files created by the Moving Pictures Expert Group.
The listings above are the most commonly used formats for the internet. ".mpeg" files and Macromedia's .swf files are the most compact and widely used among the internet. Stick to any of the file types above for use with your web pages.