How to open Another or Shared Mailbox from Webmail

**You can only open a Shared Mailbox that you already have access to in Outlook**

Go to the SharePoint Hub or Dashboard: priorityus.sharepoint.com

Click the App Launcher at the top of SharePoint, picture below:

After clicking the App Launcher click Outlook in the top left to open Webmail

This will open just Your Mailbox in Webmail

To open a Shared Mailbox, click your initials on the top right of the page

After clicking your initials, you will get the following drop down

Select Open Another Mailbox

After clicking Open Another Mailbox

You will be presented with this Window.

Type in the name of the Shared Mailbox you wish to open and then that Mailbox will be opened in a new tab on your browser.