Outlook Webmail

Adding an Additional Mailbox in Outlook on the Web
If a user has access to an additional/shared mailbox they can add it to their Office365 web mail.
Step-by-step guide
Sign in to your account in Outlook on the web.
For Exchange Online mailboxes, right-click Folders in the left navigation pane, and then choose Add shared folder or mailbox then Add shared folder or mailbox.
In the Add shared folder dialog box, type the name of the shared mailbox you are a member of, such as info@pbr.org.au.

Accessing Outlook on the Web (Microsoft 365 Webmail)
Overview
You can access your PBR email from any device with a web browser by logging into Outlook on the Web — part of Microsoft 365. No software installation is required.
Signing In
Open a web browser and go to https://outlook.office.com
Enter your PBR email address: firstname.lastname@pbr.org.au
Click Next and enter your password
Approve the MFA prompt on your Microsoft Authenticator app if prompted
Your inbox will load — you can now read, send, and manage email as normal
Tips
If asked to set a time zone on first login, select (UTC+10:00) Canberra, Melbourne, Sydney
You can also access Teams, OneDrive, SharePoint, and other Microsoft 365 apps from the app launcher (the 9-dot grid icon) in the top left
On a shared or public computer, always click Sign out when finished and close all browser windows
Adding a Shared Mailbox in Webmail
Click on your name or initials in the top right corner
Select Open another mailbox
Type the name or email address of the shared mailbox and click Open
The shared mailbox will open in a new browser tab