Adding a Shared Mailbox to your iOS Device

Go to Settings > Mail > Add account (in iOS 11 go to Settings > Accounts & Passwords > Add account).
Select Other from the list of types.
Tap Add Mail Account.
Enter a name for the mail account (My Team etc)
Enter the email address of the shared mailbox
Enter YOUR current email password
Enter a description for the mailbox (e.g. Shared Departmental Mailbox)
Tap Next.
Select IMAP
Fill in the following:

Under Incoming Mail Server
Host Name: outlook.office365.com
User Name: Your Email address
Password: Your email (Workplace) password

Under Outgoing Mail Server
Host Name: smtp.office365.com
User name: Your Email Address
Password: Your email (Workplace) Password
Tap Next, then tap Save.
In the next screen, choose which items to sync (generally just emails)
Tap Save.
Exit Settings and start the Mail app.

Search