files that comprise a virtual machine include

http://social.technet.microsoft.com/wiki/contents/articles/349.hyper-v-how-to-find-vm-files.aspx

The files that comprise a virtual machine include:

• .XML files
  • These files contain the virtual machine configuration details. There is one of these for each virtual machine and each snapshot of a virtual machine. They are always named with theGUID used to internally identify the virtual machine or snapshot in question.
• .BIN files
  • This file contains the memory of a virtual machine or snapshot that is in a saved state.
• .VSV files
  • This file contains the saved state from the devices associated with the virtual machine.
• .VHD files
  • These are the virtual hard disk files for the virtual machine
• .AVHD files
  • These are the differencing disk files used for virtual machine snapshots