Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.

If Outlook does not crash, this indicates that one or more Add-ins are to blame for the Outlook 365 crash. If this does not resolve the Outlook 365 crash issue, proceed to the next solution. Here is the next solution for your Microsoft Outlook keeps crashing on Windows. This step will show you how disabling the add-ins can help. The PST files will be repaired and the error will be resolved.

Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite. This happens to accounts that are configured in the iOS Mail app. If you manually type in the secondary connected account email address in the “From” field, the email is sent as “On behalf of” your primary Outlook.com account.

The old version of Microsoft Outlook can crash sometimes due to bug issues. Updating your Outlook to the latest version can solve the issue as the latest version might be released with fixing those bugs. Add-ins improve your Outlook by providing more features and enhancements. But in some cases, it may interfere with normal functioning and may cause Outlook to crash/hang. To disable add-ins, follow the instructions below. If your Outlook crashes when opening or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode.

We're investigating the issues and will update this page when a fix is available. In the meantime, please use the workarounds suggested for each issue. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox email recovery and repair tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running.

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 is the source of the problem. 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 email recovery and repair still work, but we recommend moving to Windows 11.

This issue occurs because Outlook cannot open the Forms Library. This issue can occur for Outlook on all Microsoft 365 Office channels. The emerging cases for this issue are on virtual desktop infrastructure (VDI). This is quite annoying and you’re certainly not alone. This should resolve the issue with Microsoft Outlook crashing. Perfectly repair and recover corrupted Outlook PST & OST files.

Repair a profile in OutlookIn Outlook, choose File.Choose Account Settings >Account Settings.On the Email tab, choose your account (profile), and then choose Repair. …Follow the prompts in the wizard, and when you're done, restart Outlook.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

Add a contact to your Favorites by selecting a contact in the list, and then selecting Add to favorites. When you add someone as 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. There might also be a visual alert that a message is unread, has an attachment, or is flagged. This is a lightweight app designed to handle multiple accounts and fairly moderate email use. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file.

Also, '-g' represents the default location of Outlook installation and the address after '-d1' describes your profile folder's default path. Therefore, if you installed your Outlook application in a custom location, you'd have to substitute '-g' for the custom location. Just as your files can easily become corrupted, so can your Outlook profile. This usually happens when you've switched versions of Outlook but your profile did not update. For users who have the discontinued free email client Windows Live Email, you're likely finding it's high time to export your email to Outlook. There is a better alternative to windows live mail that is used widely all over the world.

After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close email recovery and repair the app and continue working. 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. Under Calendars, My calendar is the default selection and displays the calendar in Month view.

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