Simply download the attached file => here <= and unzip this.
You would need to edit this to suit your own environment as shown here:
Then simply import this via your Web Interface as shown => here <= or manually enable this via:
And add your credentials manually via Menu > Settings > Basic > Login Credentials
Trio UC Software 5.9.3 added support for the Modern Authentication through the Web Sign in Workflow when the phone is in Generic Base Profile via Settings > Basic > Exchange Sign In:
or via the Web UI Settings > Applications > Exchange Sign In:
Exchange Status Reporting: