In some cases, this may not work and you may need to disable the auto-mapping feature manually through command-line interface for the user to restore access to the Shared Mailbox. It loads the Shared Mailbox automatically when the user logins to web app or starts the Outlook. Disable Auto-MappingĪutodiscover services in Office 365 or Microsoft 365 auto-maps the Shared Mailboxes to users if they have full access or permissions to view the mailboxes. The log files are stored in the %localappdata%/Temp folder or C:/Users/UserName/AppData/Temp folder location.Ĭheck the logs and fix the issue to resolve the problem and access the Shared Mailbox folder(s).Under Advanced, check the Enable troubleshooting logging (requires restarting Outlook) option and click OK.Open Outlook and go to File > Options > Advanced.

If you are unable to view and access Shared Mailbox in Outlook, follow these steps to generate a log and then analyze it to find the issue and resolve it. Solutions to Resolve the Office 365 Shared Mailbox Not Showing in Outlook Issueīelow are some solutions and workarounds you may follow to fix the Shared mailboxes not showing in the Outlook issue. If you have the required roles and permission to access a shared mailbox but still cannot see or view it in your Outlook client, follow the solutions and workarounds discussed in this article to fix the issue. To access a shared mailbox, you must have the Send As, Send On behalf, or Full Access permissions assigned by the administrator. Users with permission to access the Shared Mailbox can also send and receive messages using the generic mailbox address, such as or It also offers a common calendar to allow users to create, schedule, and share various work-related calendar tasks.īut unlike user mailboxes, a shared mailbox does not have a username or password. Shared mailboxes in Microsoft 365 (formerly known as Office 365) or Exchange Online are common mailboxes that multiple users can access in an organization. Solutions to Resolve the Office 365 Shared Mailbox Not Showing in Outlook Issue.

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