Add in New shared mailbox to your email on web based Outlook
Sign into outlook by going to: outlook.office.com
Sign in with your credentials:
Enter your password:
If you trust this computer and will accessing the email frequently, say yes.
If the computer is at an internet café or someone else’s machine, say no.
This will open up your emails in the web outlook page
In the top right hand corner, click on your initials
The click on “open another mailbox”
In the middle of the window the following dialog box will appear:
Enter the name of the mailbox that you have been given permissions to. If you do not have permissions, you will not be able to access the mailbox.
Mailboxes with similar names will appear in the list as you type. Make sure you select the correct one.
Once you have selected the correct one, click on “Open”
If you have permissions the mail box will open and you can access the information as required.