With Parallels Desktop for Mac you can use Windows that you set up using earlier versions of Parallels Desktop, as well as VMware Fusion, Microsoft Virtual PC, and VirtualBox:
Open Parallels Desktop (in the Applications folder) and choose File > Open.
Select the Windows data file you want to import, then click Open, and follow the onscreen instructions.
Parallels Desktop data files end with .pvm
.
VMware files end with .vmx
.
Virtual PC files end with .vmc
.
VirtualBox files end with .xml or
.vbox
.
You can also simply drag a Parallels .pvm
file to Control Center to add it to Parallels Desktop.
Choose Actions > Install Parallels Tools and follow the onscreen instructions.