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:
- What is the .asx file?
- What program do I need to open a .asx file?
- How can the .asx file be opened, edited or printed?
- How can I convert .asx files to another format?
Table of Contents
- ✅ Advanced Stream Redirector
- ✅ Alpha Five Database Index
- 🔄 .asx file converters
- 🚫 .asx file related errors
We hope you find this page helpful and a valuable resource!
2 extension(s) and 0 alias(es) found in database
✅ Advanced Stream Redirector

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.
✅ Alpha Five Database Index

The ASX file is an Alpha Five Database Index. Alpha Five is a beginner friendly application development environment.
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:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 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:
example.asx
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!