Opening a VMSS File

The VMSS file type is primarily associated with Microsoft Virtual PC.

VMSSFile Extension VMSS
File extension: VMSS
File type:  snapshot state file

What is a VMSS file?

VMSS files mostly belong to Microsoft Virtual PC. VMSS files store the virtual machine snapshot state used by virtualization software such as Microsoft Virtual PC and Microsoft Hyper-V.
This file holds the state of a virtual machine when it is suspended. It saves key details like memory content and processor status, which allow the machine to resume without a full reboot.
Key details as outlined by FilExt.com:
  • Contains the live state of a virtual machine.
  • Is managed internally by virtualization software.
  • Enables fast resumption of the suspended machine.
  • Should not be manually modified or moved.
  • FilExt.com note: Use your virtualization tool to open or resume a session that relies on this file.

    How to open a VMSS file

    You need a suitable software like Microsoft Virtual PC to open a VMSS 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 VMSS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a VMSS file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online VMSS Text Viewer

    Choose your .vmss file to analyze

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    Programs that open and convert VMSS files:

    1. Microsoft Virtual PC
      See the previous paragraphs to learn more about the main application. VMSS files are often referred to as Microsoft Virtual PC systems because this type of file is primarily created or used by this software.
    2. VMware (Suspend State) by VMware, Inc.
      Program ID is VMware.SuspendState

    Technical Data for VMSS File Extension

    File classification:
    System
    Program ID:
    VMware.SuspendState
    Related files:

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: VMware.SuspendState

    ProgramID: VMware.SuspendState
    EXEFile: %ProgramFiles%\VMware\VMware Workstation\vmware.exe

    ProgramID: VMware.SuspendState
    EXEFile: %ProgramFiles%\VMware\VMware Workstation\vmware.exe %1


    a vmss snapshot state file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with VMSS files

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