Add another mailbox to Outlook

1) To add another mailbox to Outlook click "File"

 

2) Choose "Add Account"

 

3) Write your email in the field and click "Connect"

 

4) Write your password for the mailbox and click "Sign in"

 

5) Click "Next" or "Microsoft apps only" 

 

6) Click "Done" and the mailbox should be set up, you might need to restart Outlook to see the mailbox