Restart your Mac. Then check to see if the problem with the app is fixed. Then check to see if the problem with the app is fixed. If the app won't quit, force the app to quit. This is a great resource which will show you how to troubleshoot an app that won't open on your Mac: If an app on your Mac stops responding, closes unexpectedly, or won’t open - Apple Support We understand that Microsoft unexpectedly quits while you're attempting to use it. Thanks for contacting Apple Support Communities!
