reate and mount VHD files

Now you can access VHD files as these are mounted by Windows 7 directly.To use this feature click Start, type diskmgmt.msc and press Enter, then click Action > Attach VHD and select the file you want to mount. Thereafter you can access, copy or write the file which behaves like virtual drive.
To create a virtual drive of your own Click Action > Create VHD .This will also create a virtual drive where you can do whatever you wish .
In case you want to detach a VHD file , Windows 7 has an upgrade command line DISKPART utility for this purpose.