.VMC File Extension

There is only one file type that uses the .VMC extension:

Windows Virtual Machine Configuration File

Windows Virtual Machine Configuration File

Configuration file used by Windows Virtual PC, a component of Windows 7 that allows users to emulate different versions of Windows as virtual machines (VMs); saved in an XML format and includes parameters that describe the VM; loads the specified VM when opened.

VMC files include settings such as the virtual machine name, allocated memory, hard disk files (.VHD files), the current VM state file (.VSV file), the undo disk file (.VUD file), and network settings. They do not store the actual VM user and system-level data. Instead, the data is stored in virtual hard disk (VDH files) and VM snapshots (VSV files).

Windows Virtual PC is the successor to Microsoft Virtual PC 2007 and 2004. It is only available for Windows 7 Professional and Ultimate. The software is often used for "Windows XP Mode," which is the technology that enables Windows XP to run within Windows 7.

Windows Virtual PC also creates shortcut files to VMC files that use the .VMCX extension. These files can also be used to load the specified VM.

NOTE: VMC files are also used by Microsoft Virtual Server.

Software's name License Platforms
Microsoft Virtual Server Microsoft Virtual Server Free Windows
Microsoft Windows Virtual PC Microsoft Windows Virtual PC Free Windows
VMware vCenter Converter VMware vCenter Converter Paid Windows
VMware Workstation VMware Workstation Commercial LinuxWindows

Updated: November 14, 2012

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