Now, you should edit the offered new name of the VHD file and its type. You can even select the disk that’s not in the list, if you click on the folder icon near the chosen disk image. You can also use the right mouse click and the context menu. I clicked on it in the list to select it. In my case, I converted this disk named Win7.vhd.

Open the Virtual Media Manager ( File > Virtual Media Manager or Ctrl+D) and select the desired disk from the list. You can change the format of your vDisks from VirtualBox. I will reveal a part of the secret – I can easily compress. In the past few months, I migrated most of my vDisks from the. This format is not so effective on very small files, but it should be used with virtually any VBox based VM. The native format for Oracle VirtualBox is. The option to simply copy any vDisk allowed me smooth migration from the desktop solutions, like Microsoft VirtualPC or Oracle VirtualBox, to the server/datacentre solution like Microsoft Hyper-V or VMware. Even better, it could be connected in Windows as an additional disk. I used this format mostly because it allowed me to easily move VHD files between the virtualisation platforms. It’s also my legacy after more than 15 years of experience with virtual machines. vhd file format is associated with the Microsoft Virtual PC, Virtual Server and Hyper-V solutions. Even better, using any particular format could provide me with additional benefits, like the virtual disk compression or migration to another virtualisation platform. I’m using this process for a while and it’s flawless. Additionally, you can start with one format and later decide to change the format of your virtual hard disk. The great advantage of Oracle VirtualBox is its ability to work with multiple virtual disk formats in the same time.

Virtualbox increase disk size vdi