to:
- Create sorting rules for a shared mailbox
- Create forwarding rules for a shared mailbox
- Retention Policies for shared mailbox (near rules settings)
- https://outlook.office.com/
- Click on your profile on top right
- click Open another mailbox
- Enter email of shared mailbox
- A new page/tab will open as if you logged in with that account
- Click on settings gear in top right
- Mail tab
- Rules tab