This Solution provides compatibility information for Big Business and macOS 10.12 Sierra, available September, 2016. (6611)
Big Business 10.11 or higher is fully compatible with macOS Sierra 10.12.2 or higher. Big Business 10 is certified compatible with Mac OS X 10.11 El Capitan.
Big Business 9 is not supported on macOS Sierra. Big Business 9 is certified compatibile with Mac OS X 10.9 Mavericks. Big Business 9 is supported on Mac OS X 10.10 Yosemite. Do not run Big Business Server 9 on higher versions.