.ASX File Extension
File Type 1Microsoft ASF Redirector File
What is an ASX file?
Multimedia playlist or shortcut to an audio/video file (often an .ASF file); references one or more URLs that point to the locations of the audio and video files; used for storing multimedia playlists.
Programs that open ASX files
File Type 2Alpha Five Library Temporary Index File
.ASX File Association 2
Temporary file utilized by Alpha Five, an IDE that enables Web application development; contains indexing information that is created by a query against a set, similar to .ALX and .DDX Alpha Five Index files but is temporary and can be deleted.
NOTE: In 2013, Alpha Five became Alpha Anywhere.