Basic telemetry is HUGE. You can't opt out of basic on Pro either. https://docs.microsoft.com/en-us/windows/privacy/basic-level-windows-diagnostic-events-and-f

Basic telemetry is HUGE. You can't opt out of basic on Pro either. https://docs.microsoft.com/en-us/windows/privacy/basic-level-windows-diagnostic-events-and-fields https://docs.microsoft.com/en-us/windows/privacy/basic-level... There's enough information in there to identify a machine and user via correlation. Here's a full analytical report: https://www.lda.bayern.de/media/windows_10_report.pdf https://www.lda.bayern.de/media/windows_10_report.pdf