App-Specific Password to use Apple email in MS Outlook
How can I use Apple email address inside Outlook
MacBook Air (2018 or later)
You need to enable 2 Factor Authentication on your Apple ID and create an app specific password to use. If your account won’t allow 2 Factor Authentication, try 2 step verification.
Apple ID -Two-factor authentication
Apple ID - Using app-specific passwords
Apple ID - Two Step Verification App Specific Passwords