Read how to Add your Outlook.com account to another mail app. 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.

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.



Switch your alias to an Outlook.com or Hotmail.com account. 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. Select the corrupted PST or OST using the file picker. 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.

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 inbox repair tool alternative 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

• Some antivirus software may block Outlook from connecting to the internet.
• 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.
• MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine.
• Read how to Add your Outlook.com account to another mail app.

Please see the ALTERNATIVE WORKAROUND section below. This occurs because custom form script is now disabled by default. Outlook crashes are never good, but you do not have to face them unprepared.



This can allow arbitrary code execution to occur. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, Fix Outlook and Office 365 Errors 2025 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 expert Outlook tips by FixTechGuide 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.