If it crashes again, uninstall the last activated add-in, after which Outlook starts to crash. To find which one is the culprit, enable each add-in and observe Outlook. If Outlook doesn’t crash, it means one or more add-ins are responsible for the Outlook 365 crash. Close Outlook and then start it normally.Uncheck all add-ins to disable them and click OK.Click the Go… button beside the Manage COM Add-Ins option.Press Windows + R, type Outlook.exe /safe, and press the Enter key.When in Safe Mode, Outlook runs with limited features and does not load any add-ins. To investigate and check if an Add-in is causing the problem, run the Outlook in Safe Mode. Incompatible or faulty add-ins can lead to various issues in Outlook. Solutions to Resolve Outlook 365 Keeps Crashing Issueįollow these solutions in the given order to troubleshoot and fix the Outlook 365 keeps crashing issue. In this article, we will mention the solutions to fix the Outlook 365 crashing issue. To fix the issue, you need to find out what’s causing Outlook to crash when configured with Office 365 email account. Although Outlook for Office 365 is a robust email messaging and calendaring client, it may freeze, stop responding, or crash due to several software or hardware-related issues.

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