[contextfree]

Yes, it's determined by whether the diagnostic data setting is at Full or at Basic. This is presented as a toggle in the initial OS install setup dialog and can be changed later in Settings->Privacy->Feedback & diagnostics. The only change to this since the initial version of Windows 10 (besides reducing the data collected at Basic level to comply with European law and regulations) was that the third, intermediate Enhanced level can no longer be set through the UI (it still exists as an enterprise configuration option) since the Creators Update release in spring 2017.

There is more detailed information here: https://docs.microsoft.com/en-us/windows/configuration/confi...

[justinclift]

> Yes, it's determined by whether the diagnostic data setting is at Full or at Basic.

"Basic" does not mean off. So please don't claim that's a "yes" when it's clearly not.

[contextfree]

Yes, it prevents the scenario (user content files being included in diagnostic data) that you'd written about, and that the question was about. It doesn't turn off all diagnostic data, but that wasn't the question.