Guide: Converting Virtual Box virtual machine to Parallels Desktop.pdf
Solution
- In the VirtualBox Manager, right-click on VM > Clone. ...
- Launch the new clone of your VM,
- Uninstall Guest Editions:
$ sudo ./VBoxLinuxAdditions.run uninstall - Shut down the Guest OS properly. ( ..., Restart to make sure it's gone
- Open Parallels Desktop (in the Applications folder) and choose File > Open.
- Select the *.vbox file from VirtualBox
- Wait till conversion will be completed.
Refer: https://kb.parallels.com/122851