AtomEmailPro

If your account is Outlook and you want to send emails using Outlook web, then the account information you should fill in is:
Email
Email Password

And change the account tag to web, which means this account is suitable for web sending.

If your Outlook account has a recovery email, you can fill it in the recovery email column. If you don’t have a recovery email, leave this column blank.

If your Outlook account has an Authenticator key, you can fill it in the Authenticator key column. If not, leave this column blank.

If your outlook account is used for SMTP sending, please read this blog.

AtomEmailPro - Email Account - Outlook - Smtp