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Details of the .vhdx file extension

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

  • What is the .vhdx file?
  • What program do I need to open a .vhdx file?
  • How can the .vhdx file be opened, edited or printed?
  • Where can I find the specifications for .vhdx?
  • Which MIME-type is associated with the .vhdx extension?
  • How can I convert .vhdx files to another format?
  • What are other, similar filename extensions to .vhdx?

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

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

.vhdx file extension details

Windows Server Virtual Hard Drive

Windows Server Virtual Hard Drive .vhdx file icon
VHDX file is a Windows Server Virtual Hard Drive. Hyper-V in Windows Server 2012 introduces a new version of the VHD format called VHDX. VHDX has a much larger storage capacity than the older VHD format. It also provides data corruption protection during power failures and optimizes structural alignments of dynamic and differencing disks to prevent performance degradation on new, large-sector physical disks.
Category: Disk Image files
Application: Windows Server 2012
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
VHDX aliases:
VHDX related links:
VHDX related extensions:
QEMU Disk Image

Fast Virtual Disk

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

.vhdx file extension error

The .vhdx file extension is often given incorrectly!

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

hdx, vhd, vdx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Delphi MultiHelp Index
Virtual Hard Disk Image
Altera VHDL Design File
Microsoft Visio Diagram XML
KNX Virtual Device Export File
open .vhdx file

Can't open a .vhdx 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 .vhdx file association, check the FAQ.

.vhdx file extension

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 .vhdx file extension, write to us!

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