ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
Your user name is your full email address, for example 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 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. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.
Nevertheless, you cannot save the recovered data when using the demo tool. For that, purchase the premium version of the software. After your account has been repaired, restart Outlook. Check if the problems causing ‘my Outlook keeps shutting down’ persist. After the restart, try opening Outlook again to see if the Outlook keeps shutting down issue is resolved.
After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File. In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. If you're using an Exchange email account, you can delete the offline Outlook Data File (.ost) and Outlook will recreate the offline Outlook Data File (.ost) the next time you open Outlook.
This happens to accounts that are configured in the iOS Mail app. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.
After finding the errors, their next task is to resolve them. For many types of email accounts, classic Outlook stores your messages in a Personal Folders File (.pst file). For more information, see Repair your Outlook personal folders file (.pst). If you are having sync issues, get Outlook running again you can force a manual sync by selecting the Sync button via the View tab on the Ribbon.
If you're considering looking for an alternative to Outlook, we offer a swift onboarding experience through IMAP protocols. You can even add your @outlook.com email address to Mailbird and not miss out on any of your important conversations. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com. This issue has been mitigated and we are continuing to monitor the issue to ensure stability. The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection.
This slows down productivity and quite frankly is just a total nuisance. In typical Microsoft fashion, there are also additional rules for certain older platforms that will make you feel very confused about 2FA. We'd be remiss to not tell you there are certain accounts (like Xbox 360) that always require 2FA as well as a special app password. The Authenticator app is designed to help you quickly and safely confirm your identity. With the app, an online intruder would be stuck on the first step of verification, because the Authenticator app is awaiting a one-time passcode, your fingerprint, another password, etc.
Then, you can go for options to fix corruption accurately repair PST files and fix Microsoft Outlook issues and errors. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove get Outlook running again your permissions and then send a new invitation.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Set up your account manually as an IMAP or POP account in Outlook.