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.AX File Extension

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File TypeDirectShow Filter

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CategoryPlugin Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.


Used by various video playback programs to process video data streams; provides decoding and encoding capabilities, file parsing, audio and video de-multiplexing, video decompression, and rendering of video files; may also be used in the video recording and editing process.

More Information

DirectShow is sometimes referred to as "Quartz" and was developed as a replacement for Microsoft's "Video for Windows" format.

Program(s) that open .AX files
Microsoft Windows LogoWindows
Microsoft Windows Media Player
Apple QuickTime Player
VideoLAN VLC media player
Other video player that supports video filters
Mac OS X LogoMac
Apple QuickTime Player
Other video player that supports video filters
Linux LogoLinux
VideoLAN VLC media player
Updated 4/3/2007