Wait for a few seconds and launch Outlook again.Select Outlook from here and close it on your Mac. As the Force Quit Applications window will open, you can view the apps running in the background.Also, you can press the Command + Option + Esc keys at the same time. Simply go to the Finder and click on the "Force Quit Applications" button.Here's how you can fix Outlook not responding issue on Mac. Since Mac allows us to close the apps that are not responding, you can easily quit Outlook as well.
The best solution to this is simply closing the application on Mac and starting it again. The application often gets stuck and doesn't respond to any command on Mac. Is Outlook not responding on Mac and has been stuck? It might surprise you, but a lot of people also encounter this situation.
Just go to the Finder and click on the Apple logo on the top.This will reset its present power cycle and cache automatically, fixing app-related issues with it. If Mac is blocking Outlook from opening, then a simple restart would be able to fix it. Here are some of the simple ways to fix Outlook not opening on Mac. This can happen due to a firmware issue with Mac or the Outlook application. Chances are that even after some attempts, Outlook might not open or launch on your system. This is one of the most commonly faced Outlook related issues with Mac.