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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. There is a new version of outlook that is web based, but still works like an app, and has less problems. This solution prevents display rendering errors that occur after driver or DirectX updates. The folder may have been deleted or the server where the folder is stored may be unavailable. 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.

My Outlook 365 won't open after a Windows update yesterday.

Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.

Outlook Known issues in June 2022 updates

The only other change to the Exchange Server was a certificate update for IIS. This is a standard DigiCert wildcard cert that we have replaced every year with no issues. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permissions.

Outlook Known Issues in June 2021 updates

You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. Please install the latest updates on your phone to resolve the issue.

Some Web-based Outlook add-ins don't work in when using on premise Exchange 2013

When the Outlook app opens, I can see the 'Try the new Outlook' toggle.See the folder owner or your administrator to change your permissions.This command deletes the custom folder views, restoring default configurations.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.To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device.I am opening the "classic" Outlook app on my computer because the one labeled new seems to not actually be a functioning app (no icon, nothing happens when I click on it).

I saw a reply to an issue similar to mine that mentioned going to the Registry Editor and followed guide to Office 365 sign-in errors instructions outlined in that message but nothing changed. By the end, you’ll know exactly how to restore your Outlook and prevent future errors. If your Microsoft Outlook won’t open after a recent Windows update, you’re not alone.

This occurs because custom form script is now disabled by default. For persistent issues, use FixTechGuide’s automated tools to perform deep diagnostics and security checks. Stay updated, back up regularly, and enjoy uninterrupted productivity in your Outlook workspace. Online Repair reinstalls Outlook send/receive error 0x800CCC0E fix components while preserving your data, resolving DLL and registry mismatches that prevent startup. This process checks for structural issues and automatically fixes them.

Many users encounter startup freezes, profile loading loops, and crashes following major Windows patches or Office updates. Fortunately, most of these errors stem from configuration conflicts, corrupted data files, or outdated components that can be fixed with a few targeted steps. If your Outlook suddenly stopped opening after a Windows update, don’t panic.

Repair Outlook OST File Not Working in Office 365 – Complete Fix (

This ensures Outlook and Windows run the same DLL versions and registry references. Third-party add-ins are among the most common culprits for Outlook profile repair and recovery steps Outlook not opening properly. Safe Mode allows you to start Outlook with all extensions temporarily disabled.