If your Outlook only opens in Safe Mode, then the cause could be a problematic addon. Read this post to fix the issue and get Outlook back to normal mode.

Cannot start Microsoft Outlook, The command line argument is not valid 1] Open Outlook Safe Mode & disable add-ins Safe Mode of Outlook can help detect the problems you have with your Microsoft ...

Troubleshooting Performance Issues in Outlook To determine whether the performance problem is caused by add-ins, run Outlook in Safe mode. To do this, press and hold Ctrl when you start Outlook.

How to start Office in Safe Mode Safe Mode is only available on Microsoft Office for Windows, so if you’re having difficulty with Office on a Mac then you’ll need to try an alternative ...

By running Outlook in Safe mode, using the Microsoft Support and Recovery Assistant for Office 365, and applying the latest updates, you can improve the performance of Outlook.

Follow the below methods to fix the crashing of Outlook issue on Windows system. #1 Start Outlook in Safe Mode and Disable Add-ins Sometimes, incompatible or faulty add-ins can conflict with ...

I am working with someone who made a mistake when his battery was dying on his laptop and turned off his computer without waiting for Outlook to exit properly. Now, Outlook won't open even in safe ...