.AVHD File Extension
File TypeHyper-V SnapShot File
What is an AVHD file?
File created by Hyper-V, a virtualization program included with Microsoft Windows Server; saves a snapshot of the virtual machines instances and allows the state of the virtual machines to be restored; may be very large in size.
AVHD files are supplemental snapshot files to a base .VHD file, which represents the original virtual hard disk image. An AVHD file stores differencing information that represents the changes from the base VHD disk. VHD and AVHD files are saved to the same directoy.
NOTE: AVHD files are called Snapshot Differencing Disk files.