If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile. If you try to delete or move a large number of messages at once, Outlook can appear to freeze, but really, it's working behind the scenes. If Outlook is performing some operation on hundreds or thousands of messages at once, it might appear to be stuck. Give Outlook a few minutes to finish the process and it should start to work again. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you.
From time to time Microsoft Outlook adopts quite an annoying habit to hang around even if the user persistently attempts to shut it down. This problem existed in earlier versions and it may occur with recent Outlook 2013 and 2010. So for about the past month, my Outlook constantly freezes, the window grays out, and I get a "not responding" error message. I am not quite sure tips for solving Outlook stuck problems when this started, otherwise I would have rolled back updates and/or removed recently installed apps. I recently uninstalled and reinstalled Office but it only made the issue worse.
Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025
If you’re still having problems, you can try resetting your Windows Firewall settings back to default. Once the add-ins are disabled, close Outlook 2016 and restart the application normally to check whether it now opens as normal or not. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts.
Sometimes, when you’re using Outlook, it might ask for your confirmation before doing something. For example, if you try dismissing all reminders, Outlook might show a message asking, ‘Are you sure you tips for solving Outlook stuck problems want to do that? ’ You’ll need to choose an option for Outlook to continue. To troubleshoot the "Outlook Won’t Open in Windows 10" error, try these solutions.
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. Since your app doesn’t open, you’ll have to use another Office app on your PC to trigger the update. This is because when you update one Office app, it automatically updates all other Office apps on your PC. When your cache files are deleted, launch Outlook, and the app should open without problems.
If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.
Listed below are a few methods and solutions you can use to solve this Microsoft Outlook issue. In case these solutions do not work for you, you can use our repair tool to fix the problem and restore the items back to their original state. When a Microsoft Office app, like Outlook, stops working, use Office’s built-in repair tool to fix your app. Microsoft includes this tool with all Office tips for solving Outlook stuck problems installations, and you can use it to find and resolve problems with all your Office applications. Wait for the antivirus to scan your system, find any viruses, and remove those items. Since several different problems can cause Outlook not to open, you may have to try multiple fixes before your issue is resolved.
Especially if you’re using a different version of Windows, this can break compatibility with Microsoft Outlook or Outlook configuration files. If Outlook still misbehaves, your antivirus might be the tips for solving Outlook stuck problems culprit. Make sure Outlook is on your antivirus’s trusted list, and if it’s still acting up, temporarily turn off your antivirus to see if that’s the problem. Outlook is a bit of a memory hog, and if you have too many other programs running, it mightn’t get enough memory to work properly. In other words, you can try closing other apps to give Outlook some breathing space. To troubleshoot the "Outlook Stops Responding" issue effectively, you’ll need to identify specific causes or causes in your scenario.
When you add someone as tips for solving Outlook stuck problems a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.