PC.net

.ax

File Type Generic IconDirectShow Filter
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually
Popularity ★ ★ ★ ☆ ☆  Average
Description

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.

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

Open With
Windows

IconMicrosoft Windows Media Player

IconVideoLAN VLC media player

IconOther video player that supports video filters

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/ax
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