If you see the below administrative interface, then you are using the Small Business plan. Not sure which Microsoft 365 plan your organization uses? Go to and login using your Microsoft 365 administrator credentials. Select the plan that your organization subscribes to in Microsoft 365.

Set up permissions to access multiple mailboxes.

I need to access somebody else’s mailbox.

Once you select the appropriate scenario below, the step-by-step instructions will be provided. Select the scenario that you are trying to configure for your users.

Then we'll take you through a series of steps that are specific to your situation. We'll begin by asking you the task you want to do. Microsoft 365 administrators who help set up access permissions for users to open other people's mailboxes. Enter the name or email address of the shared mailbox in the mailbox field, select the mailbox, and click 'Open'.Īdd a Shared Mailbox to your folder view (persistent)This article explains how to assign access permissions to a user mailbox, to multiple mailboxes, and to individual users in Microsoft 365.Click your user icon (upper right) and select the option 'Open another mailbox.'.Note this is SSO and you already may be signed on in your browser session.Log in with your full email address and password.You will see all your apps on the left menu.Log into Microsoft Online by navigating to.

Outlook Online (via a browser) Open a Shared Mailbox in a separate tab (one time) The mailbox will appear in the left hand column (Folder List). Once you add the mailbox to the delegates panel, Click OK. Click the + icon to add the mailbox under 'Open these additional mailboxes'. Mac users will have to use the following procedure to add the mailbox to their Outlook account profile:Ĭlick Shared With Me. Users that use Outlook Online via a browser you will have to manually add the folder.*NOTE* It can take up to 24 hours after permission is granted for the mailbox to show up.PC users that use the Outlook application will automatically find the mailbox in their Folders list on the left side of their Outlook Desktop Application screen. Please send your request including preferred name of the mailbox and the authorized users to full time staff are authorized to submit such requests. You can request a new mailbox or permissions for accessing an existing mailbox. Mailbox permissions are added by the Systems Team.

Open shared inbox outlook