Unless you have Enterprise their are still telemetry options that cannot be turned off entirely, and there is diagnostics and usage data not covered by any of t

Unless you have Enterprise their are still telemetry options that cannot be turned off entirely, and there is diagnostics and usage data not covered by any of the user settings that still leaks from the OS back to Microsoft. If you want to block them as well you need to do it with a firewall rules (like a third party software firewall on whitelist mode).