In some instances, however, one or more Add-ins may cause problems and needs to be disabled. Add-ins can either be removed from the Windows Control Panel or through Outlook itself. Perfectly repair and recover corrupted Outlook PST & OST files. When something goes wrong with Outlook, Microsoft recommends that we start it in Safe mode.

This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. To work around the issue, you will need Outlook Fix Blog to end all Office processes that are running and disable the presence features. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile.

We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023.

If you try to perform other actions while Outlook is in use, Outlook may not respond. Let the task in process finish its job before you try another Outlook Fix Blog action. Performance may be decreased if you use the Outlook AutoArchive feature or sync to Outlook with a mobile device. These steps are provided in a specific order based on commonality and complexity. If Outlook isn't working on a large or long process, move on to the next step.

If you're having problems setting up your email in classic Outlook, we want to help. Find solutions to common problems or get help from a support agent. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. You can give feedback by selecting Help from the top menu, then Feedback. If your mailbox is full, we won't be able to reply to your request.

When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC. The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost). As your mailbox size increases, more resources are required to open each folder. If you have a large number of items in any single folder, you may experience performance issues during certain operations.

Although add-ins can enhance your user experience, they can occasionally interfere or conflict with Outlook. Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only).

If you can't find a dialog box open, move on to the next step. For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, Outlook Fix Blog but we recommend moving to Windows 11.

It would get stuck at 82% and then she would turn it off. For awhile, when she did this, the system would try a system recovery installation and was successful until now. The navigation pane is the leftmost pane in Outlook where you'll find your folder list and the icons to move between Mail, Calendar, People, and Tasks. Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in Outlook Fix Blog is the source of the problem. If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section.

Our 9 working solutions will help you fix Outlook Fix Blog the "Outlook Not Responding" issue and bring your Outlook back to life. The solutions work for Outlook 365, 2021, 2019, 2016, 2013, and earlier versions. If installing the latest updates didn't resolve your issue, move on to the next step. 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 Outlook Fix Blog 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. If those steps don't work, see Need additional help?

When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC. The Inbox repair tool can resolve problems by scanning your Outlook data files, and repairing errors. To use the Inbox repair tool, exit Outlook, and then follow the steps in Repair Outlook Data Files (.pst and .ost). In the first place, check whether your antivirus is up-to-date. If the above does not help, turn off the antivirus and Outlook Fix Blog see if it brings Outlook back to life.