Opening a VUD File

The VUD file type is primarily associated with Virtual PC.

VUDFile Extension VUD
File extension: VUD
File type:  Virtual Machine Undo File

What is a VUD file?

VUD files mostly belong to Virtual PC by Microsoft Corporation. Virtual PC allows you to maintain the compatibility of legacy and custom applications during migration to new operating systems and increases the efficiency of support, development, and training staffs. Connectix Virtual PC was taken over by Microsoft and is the basis for the Microsoft product.

How do you open VUD files?

You need a suitable software like Virtual PC to open a VUD file. You need a suitable software like Virtual PC from Microsoft Corporation to open a VUD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your VUD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a VUD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online VUD Text Viewer

Choose your .vud file to analyze

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4 Steps to Open an Unknown .VUD File

Because .VUD files can originate from different programs, they aren't universally openable.

  1. Identify the Source: If received from an IT administrator or a virtualization workflow, it is likely a Virtual Machine Undo File associated with Microsoft Virtual PC.
  2. Check the Header: Inspect the first few bytes using a hex viewer or text editor.
    • Readable XML or plain text suggests a configuration or log file.
    • Binary data or specific magic bytes often indicate a saved virtual machine state.
  3. Use the Original Software: The original program is usually required to open the file properly. Try Microsoft Virtual PC or Hyper-V, and ask the sender if you remain uncertain.
  4. Use this Webpage: Drag and drop your .VUD file onto this page to detect its format, extract readable metadata, and preview contents.

Technical Data for VUD File Extension

Related files:

a vud Virtual Machine Undo File is a special file format by Microsoft Corporation and should only be edited and saved with the appropriate software.

How to solve problems with VUD files

  • Associate the VUD file extension with the correct application.
  • Update your software that should actually open virtual machine undo files. Because only the current version supports the latest VUD file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available Virtual PC update.
  • To make sure that your VUD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .VUD file online - secure, fast, and no downloads needed.
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