Troubleshooting

1.55. What Can I Do If Outlook Fails to Start?

If Outlook ever fails to start, your first action should be to determine whether Outlook can start in Safe mode. For instructions on how to do this, see FAQ 1.3.

If Outlook loads successfully, chances are good that the error was caused by an add-in or an extension that was corrupted or misbehaving. To help determine which add-in or extension caused the problem, you can manually enable each extension one at a time to attempt to determine which is causing the problem so that you can remove it. To do this, go to Help and then click About Microsoft Office Outlook. At the bottom left of the About Microsoft Office Outlook dialog box, click the Disabled Items button. From here, you can manually ...

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