VBoxManage modification medium '/Users/h2s/Documents/VM/Windows10.vdi' -resize 30000 Step 4: Start VirtualBox When this time you open VirtualBox on the MACOS, you will see the increase in the size of the VM disk drive. And we want to add 30 GB to our existing virtual disk drive, the syntax will be as follows: VBoxManage modifyhd ' the path you copied over ' -resize įor example, we say we will increase the size of some Windows guests like Windows 10 VM VDI file located at /Users/h2s/Documents/VM/Windows10.vdi. Then click Resize menu item to open the Resize Volume popup dialog. On MacOS terminal paste the command below to navigate to the VirtualBox app directory: cd /Applications/VirtualBox.app/Contents/Resources /VirtualBoxVM.app/Contents/MacOS/ Step 3: Increase the size of Mac VirtualBox disk drive VBoxManage modifymedium ] 'the path you copied over ' - resize Click the Additional partition options icon ( the third icon ) at Volumes bottom.
After copying the path, you can write it down somewhere and then turn off the VM and exit VirtualBox.
You can see how to copy the path to the drive that you want to increase in the steps above for Windows and Ubuntu, which will be the same for MacOS as well.
# Increase the VirtualBox disk size in Mac OS Step 1: Copy the path to the VM disk drive