1 Outlook doesnt start, crashes or shows Not Responding
aleidaguay6329 edited this page 2025-10-06 11:29:08 +00:00
This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Launch the recovery assistant if you've tried everything else and Outlook is still crashing. It also allows you to upload your results to Microsoft for review by a support engineer. Perfectly repair and recover corrupted Outlook PST & OST files. Corrupted or badly set-up Outlook profiles can often cause start-up problems. The app might refuse to launch or crash at the splash screen. The PST files will be repaired and the error will be resolved.

Even if an email address is spelled correctly, a message cannot be delivered if such a mailbox doesnt exist. Usually, a message of non-delivery will be generated, which will include important details about the delivery problem. When people complete a subscription form, they may enter their email address incorrectly.

If this does not resolve the Outlook 365 crash issue, proceed to the next solution. Priyanka Kumari is a technical content writer in the fields of Email Migration, Data Recovery, Cloud Migration, and File Management. She is dedicated to simplifying complex technology terminologies for all users. Her articles and guides demonstrate her commitment to streamlining email management for professionals or businesses of any size.

To install the latest Windows and Office updates, click the link below. 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 step-by-step Outlook troubleshooting automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps.

If this still does not work, try repairing MS Office. Then, select your account and click Open File Location. This tool has helped IT teams across healthcare, finance, education amongst many others. Whether its restoring email from encrypted backups or recovering badly broken PSTs, Stellar gets the job done with minimal fuss.

To access the filtering options faster, add them to your Quick Access Toolbar. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Another options is to use the Filter Email button on the ribbon. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. This issue affects all Outlook versions on Windows 7, Windows 8, Windows 10.

If it does not, proceed to the 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. Users often step-by-step Outlook troubleshooting turn to Microsofts ScanPST tool, but it struggles with large files and doesnt always finish the job.

If Outlook works in Outlook Safe Mode but resetting your dat-files did not help, then the issue is most likely caused by an add-in. When typing, please note the space between outlook.exe and /resetnavpane.If you encounter this issue more often, see this Quick Tip to find a more definitive solution. If Outlook shows an error like "Cannot open attachments", this could be due to unsupported step-by-step Outlook troubleshooting file formats, outdated Outlook versions, corrupted attachments, or security restrictions. Please install the latest updates on your phone to resolve the issue. Until you can install the Windows Update fix release, you can set a registry key that will cause Outlook to stop using the local Windows Search service.

You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's attached to an email. After updating Office, you may experience a brief flashing window every hour, which triggers the OfficeBackgroundHandlerRegistration task to start step-by-step Outlook troubleshooting running. For more information about when builds are available for their respective channels, go to Update history for Microsoft 365.

Hopefully, one of these solutions worked for you, and Outlook is now stable and operating normally. Corrupt data files (OST or PST) can also cause this Outlook crashing issue. However, rebuilding the data file can resolve corruption issues. I have a user who's outlook crashes and restarts every 30 minutes. It is so precise that you can set your watch to it.

Things changed on February 1st, 2024 when Google and Yahoo started applying new email sender standards in an attempt to improve their users experience. Even with the correct SMTP details, the server might be down or malfunctioning. Understanding the specific error codes returned by the SMTP server can help diagnose the issue. Mistyped usernames or passwords can prevent successful authentication with your SMTP server, leading to failed email sends. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. Read how to Add your Outlook.com account to another mail app.