The built-in search will display the message below Outlook profile repair and recovery steps 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 issue. 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.

Troubleshooting Co-Authoring and Collaboration Errors

• Let’s see how to fix Outlook connection problems in Microsoft 365 accounts.
• If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue.
• From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly.
• Outlook crashes are never good, but you do not have to face them unprepared.

It seems like something went wrong on Microsoft update and they might recall it or fix it, so we might need to wait untill that. On January 16, 2025, an update for Microsoft 365 Apps will be released in the Current Channel, as can be seen from the entry MC in the Microsoft 365 Message Center. TrustedTech is a Microsoft solutions Partner in the following areas.

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Microsoft had confirmed the issue for Windows Server 2016 and 2019 and recommended a downgrade. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. These can include missing files, ghost icons, or documents that do not update in real-time. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile.

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 repair PST file without data loss 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.



Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems. While M365 is highly stable, it’s not immune to occasional disruptions. Most of these crashes come down to one thing – problematic data files. When they expert Outlook tips by FixTechGuide get too large, go corrupt, or are poorly configured, things start to break. Please install the latest updates on your phone to resolve the issue. Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite.