The built-in search will display the message below repair PST file without data loss 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

• Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing.
• After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface.
• Save the repaired file to PST, MSG, EML, PDF, HTML or export directly to Office 365.
• The person who sent you the invitation will need to remove your permissions and then send a new invitation.
• 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.
• It is a feature-rich application that allows users to manage multiple email accounts, calendars, contacts, and tasks.
• TrustedTech is dedicated to being a reliable resource for all software and technology support needs.
• If anyone finds a more permanent solution, I would appreciate it.

Check your antivirus software’s settings and ensuring Outlook is listed as a trusted application. The colleagues at Bleeping Computer noticed this update and addressed it in this post. This post also mentions the downgrade to an earlier Microsoft 365 build, which was previously described as a workaround.

Get Expert Help from TrustedTech

This tool has helped IT teams across healthcare, finance, education amongst many others. Whether it’s restoring email from encrypted backups or recovering badly broken PSTs, Stellar gets the job done with minimal fuss. You don't have permission to create an entry in this folder. Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permissions. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook.

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

Users often turn to Microsoft’s ScanPST tool, but it struggles with large files and doesn’t always finish inbox repair tool alternative the job. For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of Outlook problems. 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.



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 reset cached Exchange mode 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.