This Solution provides compatibility information for Big Business and macOS 11 Big Sur Beta, available June 22, 2020. Big Business 12 is supported on macOS Big Sur Beta. To install Big Business, go to System Preferences, Security, and click Open Anyway.
Beta 9 was released 9/29/20 by Apple and all versions of Big Business crash on it. We exepect this will be fixed in Beta 10 from Apple but are making contingency plans, too. (7049)
Big Business 12 is not supported on macOS Big Sur. Big Business 12 is cerified compatible with macOS Mojave and is supported on macOS Catalina.
Big Business 11 is not supported on macOS Big Sur. Big Business 11 is certified compatible with macOS High Sierra and is supported on macOS Mojave.