SwissKnife Premium is a program that allows you to create and format partitions on your hard disc. This program is especially useful for users who would like to share an external hard drive between multiple operating systems (such as Windows and Mac OS X). This flexible program supports fixed and removable disc formats, as well as fixed and removable disc formats. In addition, SwissKnife is compatible with FAT, FAT32 and NTFS systems. The program also comes in a paid Premium version.