AVHDX file - How do I open a .avhdx file?
The table below provides useful information about the .avhdx file extension. It answers questions such as:
- What is the .avhdx file?
- What program do I need to open a .avhdx file?
- How can the .avhdx file be opened, edited or printed?
- How can I convert .avhdx files to another format?
Table of Contents
- ✅ Microsoft Hyper-V Virtual Hard Drive Changes Data
- 🔄 .avhdx file converters
- 🚫 .avhdx file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Microsoft Hyper-V Virtual Hard Drive Changes Data

The AVHDX file is a Microsoft Hyper-V Virtual Hard Drive Changes Data. Microsoft Hyper-V is a native hypervisor, it can create virtual machines on x86-64 systems running Windows.
Other types of files may also use the .avhdx file extension.
🚫 The .avhdx 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 .avhdx 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.avhdx
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 .avhdx 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 .avhdx file extension, write to us!