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

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. 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. You don't have permission to create an entry in this folder. Right-click the folder, and then click Properties to check your permissions for the folder.

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

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. MAPI does not validate that a provider's DLL that it is requested to diagnose Office activation conflicts load is registered correctly in MapiSVC.inf or even that it comes from the local machine. 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.

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.

• When built-in tools fall short, professional solutions pick up the slack.
• In the meantime, please use the workarounds suggested for each issue.
• A vast community of Microsoft Office365 users that are working together to support the product and others.
• You don't have appropriate permission to perform this operation.
• Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers.
• Create your account and connect with a world of communities.
• Switch your alias to an Outlook.com or Hotmail.com account.
• Please install the latest updates on your phone to resolve the issue.

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, how to fix Outlook not opening today 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.



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 rebuild Outlook data file quickly 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.