Save the repaired file to PST, MSG, EML, PDF, HTML or export directly to Office 365. Select the corrupted PST or OST using the file picker. 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. You may notice that All, Unread , Mentioned and other sort and FixTechGuide Office 365 troubleshooting filtering options, such as By date, and Newest are missing in Outlook above your email list.

Troubleshooting Co-Authoring and Collaboration Errors

• This tool has helped IT teams across healthcare, finance, education amongst many others.
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• Try these manual methods to restore Outlook functionality.
• To access the filtering options faster, add them to your Quick Access Toolbar.

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. For more information about when builds are available for their respective channels, go to Update history for Microsoft 365.

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We're investigating the issue and will update this page when a fix is available. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a network share when the OLE object is activated. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue.

Outlook Known issues in April 2023 updates

Faulty hard drives or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. If you are an Outlook user and encountering connectivity problems with Microsoft 365 mailbox, the steps above may correct the problem. Otherwise, the probably culprit is a damaged OST file. Use the Stellar Converter for OST to extract mail items from the backup (orphaned) OST file. Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption.

Outlook Known Issues in November 2021 updates

As it mostly happens due to damaged Outlook files in this situation, you need to opt Office 365 sync problems and login fixes for the BitRecover PST Repair Tool as this software can easily handle individual or batch Outlook files. This software is also reliable to restore and convert damaged, corrupted, and oversize Outlook files. Your antivirus software can also cause issues with Outlook connectivity. Some antivirus software may block Outlook from connecting to the internet.



We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. Not Implemented Error mostly appears in Outlook 2010, 2013, 2016, 2019 and latest Microsoft 365 version. Boost your SMB’s security and compliance with Microsoft 365 Business Premium. Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing. In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as FixTechGuide login issue guide TrustedTech, can expedite resolution and minimize downtime. Our licensing engineers can help triage complex problems and ensure you're on the right support path.