.ASX File Extension
File Type 1Microsoft ASF Redirector 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.
File Type 2Alpha Five Library Temporary Index File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
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.