Open ASX files

  • Full name
    Microsoft Advanced Streaming Redirector Format
  • Developer
  • Popularity
Have you encountered a problem with a ASX file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a ASX file here. In the further part of this page we have added a list of programs that should open your ASX file. It is enough you choose a proper application for your operating system, download and install it.

What is ASX file?

The extension ASX denotes Advanced Stream Redirector files. These are also known as Windows Media metafiles.

More info

This format was developed on the XML syntax based on Microsoft Corporation and may be ANSI or Unicode (UTF-8) encoded.

The file contains a structure of items that reference specific actions or settings in Windows Media Player. For example, you can pass a list of media files that you want to process in a specific order. Also references to these files are possible.

This is one of the main applications of ASX files. They can be used to refer to files provided on the Internet, for example on web servers. These are then streamed and played using the Windows Media Player.

An ASX file can also contain instructions on how to present the corresponding medium. Also, meta information may be included that will overwrite information contained in the files.

The files can also be used to create playlists for Windows Media Player.

Programs which can open a ASX file

How to open file with ASX extension?

In order to open a file with ASX extension one of the following programs must be installed on user’s system. If a problem with opening ASX file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with ASX files, follow the instructions below.
Install VLC media player or other program from the list

Most often resolving problems with opening ASX files is very simple. Just install an appropriate program that supports such files. All of the listed programs support ASX files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of ASX files or offer file conversion options, but may not be capable of editing such files.

Set VLC media player as the default program for opening ASX files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate ASX files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the VLC media player applications is not on the list, select "Browse" option in order to manually locate the directory where VLC media player has been installed.


Check the section that lists most common problems with ASX files

Sometimes problems with opening ASX files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • ASX files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open ASX files (should that be the case, please contact your system administrator or IT specialist)
  • ASX file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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