Drop Zone for Mac only exists in a 32-bit version. With the release of macOS Catalina in October 2019, 32-bit apps are no longer supported. Running Drop Zone on Mac is not possible on version 10.15 or newer.

Developing new updates for Drop Zone Mac OS version has been stopped and Mac OS is no longer supported. A 64-bit version will not be developed.

(Internal reference: DZ-220)