Apple macOS Catalina

Apple macOS Mojave

Apple macOS High Sierra

Apple macOS Sierra

Apple OS X El Capitan

Apple OS X Yosemite

Apple OS X Mavericks

Apple OS X Mountain Lion

Apple OS X Lion - Supported through Retrospect 16.1 - Support Announcement for Mac OS X 10.6 and 10.7.

Apple OS X Snow Leopard - Supported through Retrospect 16.1 - Support Announcement for Mac OS X 10.6 and 10.7.

Intel processor with one or more multicore processors

Latest Software Update for OS X

1 GB RAM for each concurrent activity; 4 GB RAM minimum

10-15 GB of temp hard disk space for each concurrent activity (backup, restore, etc.)

Adequate storage for backups

Meet Apple’s guidelines on RAM requirements for the OS version