Ensure the virtual machine is shut down (not suspended). From Fusion's menu bar, click Window > Virtual Machine Library. In the left column, Ctrl+click the virtual machine and click Show in Finder. Ctrl+click the revealed package (ending in .vmwarevm) and click Show Package Contents. Ctrl+click the file ending in .vmx and choose Open With > Other. Navigate to TextEdit and click Choose. You can now add or edit lines lines as needed. Lines are displayed in no particular order. When finished, save changes, and exit."