
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. Microsoft Excel for macOS 10.14 Crashes.Numbers File Can’t Be Open on macOS 10.14.


Edit Photos with Preview in macOS 10.14.Method to Back Up Data on Mac before Updating into 10.14.
