The common message received is the app ‘is not optimized for your Mac’. Lately, you may have started seeing warnings about certain applications. What Is the “Not Optimized for Your Mac” Warning Message Therefore, this article will explain this warning and what to do about Apple’s not optimized for macOS 10.15 warning. The situation gets worse because you do not know what to do about it. This warning raises concern because you hardly understand what is the not optimized for your Mac warning message. As a result, you may notice a warning stating that a certain app ‘is not optimized for your Mac. Apple seems to making changes in supporting certain apps, resulting to this warning that is making users uncomfortable.Īfter updating High Sierra to the 10.13.4 version, Apple set 32-bit apps not optimized for your Mac to stop working on macOS 10.15. Most Mac users do not know what to do about Apple’s not optimized for macOS 10.15 warning, because they hardly understand it.