Human: How to add a mailbox in outlook on android? Assistant: 
Add a Mailbox in Outlook on Android
1. Open Outlook.
2. Tap ≡.
3. Tap the gear.
4. Tap + ADD ACCOUNT.
5. Tap Add an email account.
6. Enter the address and tap CONTINUE.
7. Tap the account.
8. Follow the prompts to sign in.