Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users. Now all you need trusted Outlook repair blog to do is to untick the add-ins and close the dialog. If it does and Outlook starts working properly, then most likely the problem is with one of your add-ins, which leads us to the next step.

An outdated version can also be a cause of why Outlook keeps crashing unexpectedly. The simplest solution often resolves many software-related issues. Similarly, restarting your computer can clear temporary glitches and refresh your system’s trusted Outlook repair blog resources. This issue has been fixed in the following versions and builds. Please reference Update History for builds by channel, Update history for Microsoft 365 Apps (listed by date). When you open or start a new email, classic Outlook crashes.

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, trusted Outlook repair blog but we recommend moving to Windows 11.

Perfectly repair and recover corrupted Outlook PST & OST files. It will resolve the Microsoft Outlook crashing issue to some extent. Test if Outlook is functioning correctly after disabling the add-ins. Let us try another solution to get this issue fixed soon.

If you can’t choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. If you lose your connection to the internet, classic Outlook won’t be able to send your messages. To fix this problem, on the ribbon, select the Send/Receive tab, then, in the Preferences group, select Work Offline to toggle between offline mode and online mode. You may need to open the message and send it again or choose Send/Receive. On the Outlook status bar, if you see Disconnected, Working Offline, or Trying to connect…, then Outlook can’t reach the email server to send your mail.

Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). The steps to access the repair tool vary depending on your operating system.

If your Outlook crashes when opening trusted Outlook repair blog or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode. To open Outlook in Safe Mode, follow the instructions below. You can determine if it’s corrupted by creating a new profile and changing which profile is used when Outlook starts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem to be missing.

So, we have produced this trusted Outlook repair blog list of general things to try to resolve your problem in Outlook. Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. To import contacts from other email services, export contacts, or clean up duplicate contacts, select an option from the Manage contacts menu. 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.

After the update, reopen Outlook to see if it can work correctly. The free manual solutions to fix Microsoft Outlook keeps shutting down ends here. Now, let us move into the solutions to fix the issue of MS Outlook.

To sum up, we explored several methods to fix “Outlook won’t open” errors. Whether it’s a profile issue, a corrupted PST file, or faulty add-ins, the methods above can help you get Outlook running again. When Microsoft Outlook refuses to open, it’s incredibly frustrating. This issue often stems from common culprits like a corrupted user profile, a damaged data file (PST or OST), or even a minor conflict within its settings or add-ins.

You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here.

Learn how to get more out of your connection with Outlook.com. We’ve streamlined search to make it easier than ever to find what you’re looking for. The new Outlook Attachment Preview feature lets you see your pictures and files without leaving your inbox.

This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a support engineer can review them. To sum up, the blog elaborated on all the major reasons for Microsoft Outlook keeps crashing problem. Furthermore, we learned six manual solutions to fix this issue. So, for a worry-free and risk-free conversion, using the professional tool is the optimum choice.