Outlook Data Cron

Warning: imap_open(): Couldn't open stream {outlook.office365.com:993/imap/ssl/novalidate-cert}INBOX in /usr/www/users/bcccirkqkk/wp-content/plugins/contractors-data/frontend/contractors-data-cron.php on line 13 Cannot connect to Gmail: Can not authenticate to IMAP server: AUTHENTICATE failed.