How to Create and mount VHD files?

The Microsoft's Virtual PC creates its virtual machine hard drives in VHD files, and Windows 7 can now mount these directly so you can access them in the host system.

• Click Start
• Type diskmgmt.msc and press Enter
• Then click Action → Attach VHD and choose the file to be mounted.

It will then appear as a virtual drive in Explorer and can be accessed, copied or written
just like any other drive.

Click Action > Create VHD and you can now create a new virtual drive of your own
(right-click it, select Initialise Disk, and after it's set up right-click the unallocated
space and select New Simple Volume to set this up).

It will provide you a virtual drive that behaves just like any other drive , where you can
do whatever you like. This drive is just like this VHD file on your real hard drive which
you can easily back up or share with others. Right-click the disk (that's the left-hand
label that says "Disk 2" or whatever) and select Detach VHD to remove it.

The command line DISKPART utility has also been upgraded with tools to detach a VHD file,
and an EXPAND command to increase a virtual disk's maximum size. Don't play around with this
unless you know what you're doing, though - it's all too easy to trash your system.

Windows data recovery
resource: http://www.techradar.com