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on January 30, 2026
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![Fix Outlook and Office 365 Errors 2025]()
Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration Outlook profile repair and recovery steps to maximize ROI and adoption. 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. 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.
Windows Command prompt running OfficeBackgroundHandlerRegistration task flashes every hour
We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. Outlook has 15 GB storage, but Microsoft has 5 GB storage. You can't receive an email if your Microsoft storage exceeds the quota. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. 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.
Outlook Known issues in March 2025 updates
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. We're investigating the issue and will update this page when a fix is available.
Outlook Known issues in December 2023 updates
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. Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite. This happens to accounts that are configured in the iOS Mail app. When you try to accept a shared Outlook.com calendar using your Microsoft 365 for business account in Outlook 2016, you might receive the "Something went wrong" error or your sign-in might fail. We go above and beyond the average software reseller because we built our business on trust.
To access the filtering options faster, add them to your Quick Access Toolbar.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.We're working to make it possible to edit shared calendars in Outlook 2016 for Windows.To learn more about how to send us feedback, please see How do I give feedback on Microsoft Office.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 file react-native-win32.dll was reported as not found in the specified path, even though the file exists.You can't receive an email if your Microsoft storage exceeds the quota.This happens to accounts that are configured in the iOS Mail app.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.
How to Troubleshoot Common Microsoft 365 Problems and Issues
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. Repair Outlook Profile Online 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. Please see the ALTERNATIVE WORKAROUND section below. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
Outlook Known issues in March 2024 updates
Most of these crashes come down to one thing – problematic data files. When they get too large, go corrupt, or are poorly configured, things start to break. A vast community of Microsoft Office365 users that are working together to support the product and others. For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of Microsoft Outlook Email Repair Tool Online Outlook problems.
Discover Defender and Purview add-ons for enterprise-grade protection at SMB-friendly pricing. 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. In addition, you can export directly into Office 365 mailboxes after recovery with no middle step required. Save the repaired file to PST, MSG, EML, PDF, HTML or export directly to Office 365.