Office365 Shared mailbox POP3 access

Configure Thunderbird IMAP client to access shared mailboxes created in Exchange Online:

• User Mailbox: john.smith@contoso.com
• Shared Mailbox: info@contoso.com

Settings for IMAP Configuration:

  EMAIL ADDRESS: info@contoso.com (shared mailbox)
  PASSWORD: John Smith's Password (user's password)
  IMAP SERVER: outlook.office365.com (imap server)
  SMTP SERVER: smtp.office365.com (smtp server)
  USERNAME: john.smith@contoso.com\info@contoso.com (user\shared mailbox)