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. Sometimes, issues can be caused repair PST file without data loss due to a corrupt Outlook OST file.

Outlook known issues in the December 2018 updates

Read how to Add your Outlook.com account to another mail app. This occurs because custom form script is now disabled by default. TrustedTech is dedicated to being a reliable resource for all software and technology support needs.

Outlook known issues in the June 2018 updates

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. The loading of unregistered MAPI services has been disabled by default to Troubleshoot Office 365 Sync and Login Issues make Outlook more secure. 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. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows.

Outlook known issues in the Feb 2018 updates

• Read how to Add your Outlook.com account to another mail app.
• You don't have appropriate permission to perform this operation.
• The update for Microsoft 365 Apps will be rolled out gradually to users of this update channel from January 16, 2025 (PST).
• Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite.
• Outlook also offers several advanced features, like email tracking, read receipts, and email templates, making it a powerful tool for managing email-based workflows.
• For more information about when builds are available for their respective channels, go to Update history for Microsoft 365.
• To access the filtering options faster, add them to your Quick Access Toolbar.

Let’s see how to fix Outlook connection problems in Microsoft 365 accounts. The file react-native-win32.dll was reported as not found in the specified path, even though the file exists. Robert suspected that it might be related to an Edge update, and replacing the .dll with an older version or downgrading Microsoft 365 to an older build fixed the problem. I had picked up on this in the blog post Microsoft Outlook 365 or other MS 365 apps are dropping suddenly errors. Microsoft had confirmed the issue for Windows Server 2016 and 2019 and recommended a downgrade.

Fixes or workarounds for recent issues in new Outlook for Windows

You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. 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. 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.



Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption. The update for Microsoft 365 Apps will be rolled out gradually to users of this update channel from January 16, 2025 (PST). Microsoft Outlook crashes with the above build on Windows Terminal Server under Windows Server 2016 with the following error message. A vast community of Microsoft Office365 users that are working together to support the product and others.

Outlook known issues in the September 2019 updates

Microsoft Outlook is one of the best-known business-class email clients from Microsoft. It is a feature-rich application that allows users to manage multiple email accounts, calendars, contacts, and tasks. Outlook also offers several advanced features, like email tracking, read receipts, and email templates, making it a powerful tool for managing email-based workflows. However, sometimes, it can experience connectivity issues, especially when using a Microsoft 365 recreate Outlook profile step by step account.





In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime. Our licensing engineers can help triage complex problems and ensure you're on the right support path. 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. 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. There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs.