Require SSO for non-admins
Turn on SSO-only sign-in to require every non-admin in your organization to sign in through your SSO provider. The setting applies to the whole organization.1
Open SSO settings
Go to Settings → Security & Permissions.
2
Enable SSO-only sign-in
Turn on SSO-only sign-in for non-admins.
Admins are exempt. They can still sign in with a password and use Forgot password, so your organization can’t get locked out if there’s a problem with your SSO provider.