Straight from the horse's mouth: https://docs.microsoft.com/en-us/windows/privacy/required-windows-11-diagnostic-events-and-fields https://docs.microsoft.com/e

Straight from the horse's mouth: https://docs.microsoft.com/en-us/windows/privacy/required-windows-11-diagnostic-events-and-fields https://docs.microsoft.com/en-us/windows/privacy/required-wi... Keep in mind, this is what is logged if you select "basic" telemetry. By default Windows logs even more than what is detailed there. It is an insane amount of data.