The extremetech link[0] given in the answer is probably more generally interesting. That article also explains how to access the MS Diagnostic Dataviewer which allows you to explore the collected data after you switch it on (from the Settings app go to Privacy -> Diagnostic & feedback). It also links to Microsoft's explicit listing of everything that they might collect for basic diagnostics[1].
Of course Microsoft could be lying but in that case you shouldn't be using their OS. To borrow a phrase: They have root. If you don't trust them then you don't trust your PC.
Of course Microsoft could be lying but in that case you shouldn't be using their OS. To borrow a phrase: They have root. If you don't trust them then you don't trust your PC.
[0] https://www.extremetech.com/computing/247311-microsoft-final...
[1] https://docs.microsoft.com/en-gb/windows/privacy/basic-level...