Add 'Fixed : Top 10 Most Common Microsoft Outlook Errors'

Fixed-%3A-Top-10-Most-Common-Microsoft-Outlook-Errors.md

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+When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below. 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 Fix Outlook official help issue.
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+Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. This will cause The Turn on shared calendar improvements checkbox to be disabled for all users. The UI checkbox will be unchecked and disabled, so end users cannot turn on the improvements.
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+Repair an Outlook data file (.pst) fileExit Outlook and browse to one of the following file locations: ...Open SCANPST.EXE.Select Browse to select the Outlook Data File (.pst) you want to scan. ...Choose Start to begin the scan.If the scan finds errors, choose Repair to start the process to fix them.More items...
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+Outlook stuck at loading a profileRight click on any space of the Taskbar and select Task Manager.Under the Processes tab, locate all Office processes.Select an Office process and then choose End task. Repeat this for each Office process listed.
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+If you can send email while Outlook is in safe mode, creating a new Outlook email profile should allow you to send email again. 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).
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+For more information, visit Add an email account to Outlook for Windows. Please go to Reset a forgotten Microsoft account password for more information. We've presented the methods in order of quickest Fix Outlook official help to most in-depth. For details around general troubleshooting, visit Troubleshooting Outlook issues for more information.
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+Find solutions to common problems or get help from a support agent. The folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation.
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+When you add someone as [Fix Outlook official help](https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html) 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. 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. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.
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+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.
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+If the check box is cleared, the service or startup program doesn't run when you restart the computer. Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 files are repaired automatically. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. Outlook may remain stuck if other Office applications or processes are running in the background.
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+You can also connect to a different Wi-Fi source to see if that resolves the problem. Problematic add-ins can interfere with Outlook’s startup process. Safe Mode loads Outlook with only essential components, allowing you to isolate and disable faulty add-ins. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile.
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+These often help resolve issues without the need to contact support. 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.
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+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. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident.