The File Extensions Database

.ASX File Extension

  • Developer by: Microsoft
  • Category: Video Files
  • Format: Text

What is an .ASX file?

.ASX is Microsoft 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.

Programs that open Microsoft ASF Redirector File
Microsoft Windows Media Player
Nullsoft Winamp
Roxio Creator NXT Pro 6
Ventis Media MediaMonkey 4
VideoLAN VLC media player
VideoLAN VLC media player
VideoLAN VLC media player
File Type 2 Alpha Five Library Temporary Index File
Developer by: Alpha Software Category: Developer Files

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.

Programs that open Alpha Five Library Temporary Index File
Alpha Software Alpha Anywhere

How to solve problems with ASX files

  • Associate the ASX file extension with the correct application. On :
    Windows: Right click on any ASX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ASX files". Mac: Right click (or Ctrl-click) the ASX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ASX is Microsoft ASF Redirector File. Because only the current version supports the latest ASX file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .ASX is Microsoft ASF Redirector File update.
  • To make sure that your ASX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.