A daily updated filename extension database!

ASX file - How do I open a .asx file?

The table below provides useful information about the .asx file extension. It answers questions such as:

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ Advanced Stream Redirector

Advanced Stream Redirector .asx file icon
The ASX file is an Advanced Stream Redirector. The ASX format is a type of XML metafile designed to store a list of Windows Media files to play during a multimedia presentation.
Category: Video files
Application: Windows Media Player
Mime-type: video/x-ms-asf
Magic number: -
Magic string: -
Sample: -
ASX aliases:
ASX related links:
ASX related extensions:
Advanced Systems Format Media

Windows Media Video Redirector

Windows Media Audio Redirector

Windows Media Redirector

Streaming Media Shortcut

Streaming Media Format Video

✅ Alpha Five Database Index

Alpha Five Database Index .asx file icon
The ASX file is an Alpha Five Database Index. Alpha Five is a beginner friendly application development environment.
Category: Development files
Application: Alpha Five
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ASX aliases:
ASX related links:
ASX related extensions:
Alpha Five Database

Alpha Five Library

Alpha Five Memo Data

Alpha Five Data Dictionary Index

Alpha Five Data Dictionary

Alpha Five Data Dictionary Memo

Other types of files may also use the .asx file extension.

🚫 The .asx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

acx, aex, aqx, as, asa, asc, asd, ass, asz, awx, ax, axs, axx, azx, qsx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft Word AutoRecovery File
Alpha Five Compiled Library Script
WinMX Server Information File
AxCrypt Encrypted File
Advanced SubStation Alpha Subtitle
AlpineQuest XML Map

🔴 Can't open a .asx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .asx file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .asx file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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