1 - ACTION Space Doctor ACTION Space Doctor is the safe, fast, and inexpensive way to update storage media to Apple's new HFS+ format. Space Doctor was designed to be the safest product available and is impervious to power outages, even during the update process. It also offers users the option to cancel the process with complete safety at any time prior to completion of the update. License: Freeware OS: Mac OS Size: 2 MB