Read: Excel, Word or PowerPoint couldn’t start last time Do you want to start in safe mode? 3] Repair Outlook data file

Here you can unselect the addons you want to disable and relaunch Outlook.

At the bottom of this section., click on the Go button next to Manage Comm Ad-ins.

Select the Add-ins section, and it will reveal the list.Click on File > Options to open the Outlook Options window.You can either disable everything and then it on one by one or, you can disable one and relaunch Outlook to check if everything is working fine. If you had set up a password, then make sure to provide that. Select the default profile, and then click ok.

It will then prompt you with Choose Profiles. If you want manually start Outlook in safe mode, then first close it, and then type and press the Enter key in the following the command Outlook /safe If Outlook works fine in this mode, then your problem could be with add-ins, profile, and other configurations. When Outlook launches in safe mode, it disables anything which is not necessary.

It is a good idea to choose, yes, when you get the Outlook Safe Mode prompt. Outlook won’t open on Windows 11/10 1] Start Outlook in Safe Mode Otherwise, it will be challenging to figure out what was causing the problem. Make sure you perform each step and check if you still have issues. We will have to check on what is causing the issue. The error means that Outlook could not open properly i.e., loading profile, addons, and configuration files failed. Safe mode could help you troubleshoot the problem, but some features might not be available in this mode. When you launch Outlook, and you receive an error message saying “ Outlook couldn’t start last time” and asks you to launch it in safe mode, then this post can help you resolve the problem.

Outlook won t open 2016