ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
If you are unable to connect or are prompted for your password repeatedly attempt the following options. After finishing one step, if it does not resolve the issue move on to the next. This option could be useful if you constantly have to wait for Outlook to rebuild its data file guide to repair Outlook problems when you restart.
Add-ins are extensions that you can install to enhance Outlook’s functionality and unlock additional features, like CRM integration. But these add-ins can sometimes result in compatibility issues, especially if they’re not up-to-date or poorly coded. A conflicting add-in might cause Outlook to freeze, crash, or not open at all.
Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. A well-running Outlook will ensure that you enjoy the full benefits of this popular email program. If you follow the above solutions, your Outlook will perform according to your expectations. If the in-box Program cannot fix the corrupted Outlook PST files, you can also try Wondershare Repairit for Email. It is a powerful and almighty software that can be applied to fix corrupt Outlook PST files in any scenarios.
Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Your Outlook profile holds all your account settings and data configurations.
Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. Microsoft has its own tool for automatically scanning and correcting Office when things go awry.
These often help resolve issues without the
guide to repair Outlook problems need to contact support. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application.
This should resolve the issue with Microsoft Outlook crashing. If it does not, proceed to the guide to repair Outlook problems next solution. If the Outlook issue "outlook keeps crashing Windows 10" persists. You can proceed with the methods on this list. Once PSTs start climbing past 2 GB, things get shaky. Outlook slows down, crashes randomly, or fails to load entirely.
The best part is that you are spoiled for choice because some are quick to implement while others are time-consuming. This section introduces solutions that you can use when Outlook 2016 or Outlook 2013 is not opening. If none of the above steps work, the issue may be more complex or related to server-side problems that only Microsoft can resolve. Find solutions to common problems or get help from a support agent.
When Microsoft Outlook is installed on your computer, numerous files, registry entries and configurations are set up to make sure the program runs smoothly. If any of these components are missing or corrupted during installation, Outlook may fail to open or could crash unexpectedly. You can determine if it's corrupted by creating a guide to repair Outlook problems new profile and changing which profile is used when Outlook starts.
We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share feedback, see How do I give feedback on Microsoft Office. The guide to repair Outlook problems folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation. To access the filtering options faster, add them to your Quick Access Toolbar.
There’s nothing in particular to warn you about, as there are many informational and diagnostic information there, but reading the entries may lead to a clue about what’s going wrong. If you have Outlook in your startup folder, remove the shortcut from the startup folder. If anyone finds a more permanent solution, I would appreciate it. It seems like something went wrong on Microsoft update and they might recall it or fix it, so we might need to wait untill that. A vast community of Microsoft Office365 users that are working together to support the product and others. Most Outlook problems can be resolved with proper troubleshooting and maintenance.
None of the events or information was lost in the move to the new calendar. The Family group calendar now appears in the Outlook.com groups area in the left nav on Outlook web and in the groups area of the Outlook mobile app. Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. Visit the Technology Help Desk Support page to locate your local campus contact information or to submit an online technology support request. For password issues you must call or visit the Help Desk in person. You may see one of the following errors in a pop-up message on your screen.