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 mailbox not updating on IMAP 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

You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Using Cached Exchange Mode in complex environments can lead to painful sync delays. If a user has a large mailbox or lots of folder nesting, syncing might lag or even crash. Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. 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.

• If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account.
• 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.
• The folder may have been deleted or the server where the folder is stored may be unavailable.
• Please install the Windows 10 Fall Creators Update to fix this issue.
• The app might refuse to launch or crash at the splash screen.

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, Troubleshoot Office 365 Sync and Login Issues 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.



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 repair corrupted OST in Outlook and recommended a downgrade. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Your antivirus software can also cause issues with Outlook connectivity.

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.