If you are looking to , you generally have two main paths: using built-in system utilities or downloading third-party software for more advanced features.

: A free, open-source partition editor. While it is a Linux-based tool, it can be run on Windows or Mac via a bootable USB to manage virtual drive partitions.

: Available for both Windows and Mac , this tool offers a graphical interface to manage virtual partitions, clone disks, and convert formats.

: A powerful command-line utility (often called vdiskmanager ) used to expand, defragment, or convert virtual disks (e.g., converting a preallocated disk to growable).