I have switched to K-9 mail on Android. I have outlook 365, and to confgure it i use the following:

IMAP (incoming)

  1. Server name: outlook.office365.com
  2. Port number: 993
  3. Encryption: SSL/TLS
  4. Auth method: OAuth2
  5. Username: your email

SMTP (outgoing)

  1. Server name: smtp.office365.com
  2. Port number: 465 or 587
  3. Encryption: STARTTLS
  4. Auth method: OAuth2
  5. Username: your email

Hope you can use it!