Virtualbox increase disk size Helewix.com How To HendrikWiese In the News Linux Ubuntu VirtualBox by HendrikWiese - January 25, 2016August 22, 20160 Virtualbox increase disk size So today I will show you how to increase an existing disk on a virtual machine inside virtualbox thus the title Virtualbox increase disk size. This is a very quick and easy to follow tutorial and should not take longer then 5 minutes to complete. For this example