When built-in tools fall short, professional solutions pick up the slack. Create your account and connect with a world of communities. If anyone finds a more permanent solution, I would appreciate it. 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. Find solutions to common problems or get help from a support agent. We love reading your suggestions on new features and feedback about how you use our products!

VBScript does not run or you receive malicious code warning when using a custom form for Outlook

To learn more about how to share feedback, see How do I give feedback on Microsoft Office. Another options is to use the Filter Email button on the ribbon. Please install the Windows 10 Fall Creators Update to fix this issue.

Outlook Known issues in May 2024 updates

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. 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. Corrupted or badly set-up Outlook profiles can often cause start-up problems.



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 account.

Outlook known issues in the Nov 2017 updates

Sometimes, issues can be caused due to a corrupt Outlook OST file. To repair corrupt OST file, you can use the built-in ScanPST.exe tool provided by Microsoft. Alternatively, you can delete or rename the existing corrupt OST file and rebuild the OST file. The colleagues at Bleeping Computer noticed this update and addressed Troubleshoot Office 365 Sync and Login Issues it in this post. This post also mentions the downgrade to an earlier Microsoft 365 build, which was previously described as a workaround.

Outlook 2007 and Outlook 2010 display wrong languages

Understanding the root causes and using the right tools can make all the difference. While built-in tools like ScanPST offer a basic Safety net, they often fall short when it comes to rectifying deeper file damage. 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.

Outlook known issues in the July 2019 updates

• Microsoft Outlook is one of the best-known business-class email clients from Microsoft.
• The person who sent you the invitation will need to remove your permissions and then send a new invitation.
• Right-click the folder, and then click Properties to check your permissions for the folder.
• Another options is to use the Filter Email button on the ribbon.
• Corrupted or badly set-up Outlook profiles can often cause start-up problems.
• Find solutions to common problems or get help from a support agent.
• 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.

A vast community of Microsoft Office365 users that are working together to support the product and others. 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.



This can allow arbitrary code execution to occur. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, repair pst file without data Loss uninstall and re-install iCloud to resolve this issue. For more information, please see Outlook email setup. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface.

Outlook Known issues in March 2023 updates

The app might refuse to launch or crash at the splash screen. Once PSTs start climbing past 2 GB, things get shaky. Outlook slows down, crashes randomly, or fails to load entirely. Users often turn to Microsoft’s ScanPST tool, but it struggles with large files and doesn’t always finish the job. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar resolve Outlook not sending emails fast for Windows 10, or use a mobile device.

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. When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. 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. The person who sent you the invitation will need to remove your permissions and then send a new invitation.