Windows 10 gives users more control of what diagnostic data they share Insiders can choose to send ‘required’ or ‘optional’ diagnostic data to Microsoft.

Windows 11/10 uses additional diagnostic logs when it needs to fix a problem on your computer. It works only when you have allowed your computer to send optional diagnostic data.

Diagnostic Data Viewer app in Windows 11/10 displays the information Microsoft collects about your system. You can review the diagnostic data your device is sending.

Microsoft has expanded its diagnostic data collection with Windows 10, making what had been a voluntary telemetry program now mandatory.

Presumably, this data is what allows Microsoft to get on top of significant screw-ups like the infamous Windows 10 data deletion bug in a timely manner.

Microsoft is changing how it explains diagnostics data collection in Windows 10.

This optional diagnostic data includes information about the Web sites you visit, how you use your apps, which Windows features you use and more.

Some data collection is necessary, such as information about your device model, hardware components, and diagnostic data to ensure Windows runs effectively.