Files.com supports organizations that prefer to synchronize user passwords via Google Authentication. This is done by configuring Files.com’s Google authentication feature.
To enable Google authentication for your site, navigate to Settings > Security.
Next, click to change Google user authentication to Enabled, and click the Save button.
Adding users and changing the authentication method to Google
To manage your users, navigate to Settings > Users and click the New User button.
In the New User form, click the drop down menu to select the Single Sign-On option. This enables the Google Authentication for this user.
Make sure that the Username and the Email address are both set to the email address of the Google account you will use for authentication.
Complete the rest of the form according to your preferences and click Create user.
You may now test by logging in with the Google account using the Log in with Google button.