Note: Please Take a Backup of the Virtual Machine before you proceed with the further steps:
To back up a virtual machine in Fusion
How to add the disk space on the VMware Fusion.
- Open Fusion.
- Select the virtual machine in the Virtual Machine Library.
- Go to Fusion Menu > Virtual Machine > Settings
- Click Hard Disk(s).
- Use the slider to adjust the size of the virtual disk.
- Click Apply.
Note: Ensure that you have enough free space available on the physical disk to perform the operation. The free disk required is equal to the current.vmdk size. For example: If the vmdk is 20GB in size and you want to increase it to 30GB (a 10GB increase), you will require 20GB + 10GB free space on the physical disk.
To increase the size of the disk partition in Mac OS X:
- Click on the Finder icon from the dock.
- Locate and click to open Applications within the left pane of the Finder window. This is usually above the user's home folder Icon.
- Scroll to the bottom of the Applications window to locate and click to and open Utilities.
- Locate and click to open Disk Utility.
- Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility.
- In the sidebar, select the volume you want to resize, then select Partition.
- Select Partition from the pop-up window
- Select "Free Space" between the two resulting partitions from the pie chart and hit "-" sign from the bottom left
Note: Depending on the operating system installed on your Mac, three file system formats are available: APFS, which is used by macOS High Sierra (10.13) and later operating systems; Mac OS Extended, used by macOS Sierra (10.12) and earlier; and MS-DOS (FAT) and ExFAT, which are compatible with the Windows operating system. Within each of these file system formats are subcategories, such as APFS (Encrypted) and Mac OS Extended (Journaled).
- To accept the changes select Apply and choose Partition.
- The size of the Virtual Disk is extended.