iDisk Utility is an application that lets you greatly enhance your iDisk usability. You can use iDisk Utility to:quickly connect to the Public folders of other .Mac memberseasily access your iDisk and the iDisks of other membersset password protection and allow other people to put files in your Public folderconveniently view and increase available iDisk storageIf you're a .Mac trial member, you can't use iDisk Utility to add more storage to your iDisk.
Mac OS X 10.1,
Mac OS X 10.2
||Mac OS X 10.1.2 or higher.Mac membership