Outlook ThunderBird Client Setup
1. Go to Account Settings in ThunderBird Client
2. Select Account actions and click add Email Account
3. Fill out your name, email, and password fields
4. Click Advance configuration
5. under incoming set up the following settings
Protocol: IMAP
Server: Outlook.office365.com
Port: 993
SSL: SSL/TLS
Authentication: OAuth2
Username: Work Email
6. Under outgoing set up the following settings
Protocol: SMTP
Server: smtp.office365.com
Port: 587
SSL: STARTTLS
Authentication: OAuth2
Username: Work Email
7.Click Done