If your Microsoft Outlook will not open, there could a few reasons why. Outlook has a tendency to leave multiple processes running in the background, most of which are invisible to a computer user. If one of these processes is already running, attempting to open Outlook again will not display anything.
You should be asking “How to fix Microsoft Outlook not opening on Mac?”
Uncheck any boxes that are checked on the Compatibility tab and then select Apply > OK. Restart Outlook and see if Outlook opens normally again. Rebuild the Outlook Database (Mac) If you’re using Outlook on a Mac and the app won’t open, rebuild the Outlook database using the Microsoft Database Utility to fix the problem.
What to do if Microsoft Outlook is not working?
Step 1 : If your Microsoft Outlook will not open, the first step is to open Windows Task Manager. There are a couple of options to do this, but the most efficient way to open Task Manager is to press the Ctrl, Alt & Delete buttons at the same time.
Diagnosing this problem only works in the safe mode: 1 Open the “Run” dialog box (as previously described), type in the command outlook. Exe /safe (note the space here, too), 2 If the “Choose Profile”dialog box opens, choose the standard settings and click “OK” once more 3 Outlook will now start in safe mode without add-ins More.
“Unable to start Microsoft Outlook” error – causes and symptoms. The main symptom of this problem is very obvious and easily recognizable: you click Outlook’s icon, an hourglass appears and is hanging for a while, and then you get the “Cannot start Microsoft Office Outlook” error .
Why does outlook hang at loading profile or not start?
After updating to Current Channel Version 1905 (Build 11629.20196)and higher, Outlook may hang at loading profile or won’t start. You may notice that if you open Task Manager that other Office processes are unexpectedly listed even though you did not open the application. If you end those processes it may enable Outlook to then open normally.