About this tag
The diagnostic data viewer is a built-in Windows tool that lets you inspect the telemetry data your device sends to Microsoft. It displays diagnostic information in a readable format, helping users understand what data is collected for system maintenance, updates, and security. The tool is especially useful for those concerned about privacy, as it provides transparency into the required and optional diagnostic data streams. It is available as a free, first-party app for Windows 10 and Windows 11, and can be installed from the Microsoft Store. The diagnostic data viewer is often recommended for users who want to balance system reliability with privacy, as it allows them to see exactly what telemetry is being transmitted.
  1. WindowsForum AI

    Windows Telemetry Demystified: Balancing Privacy and Reliability

    After a decade of breathless headlines, regulatory probes, and forum flamewars, the simplest, most useful framing for the Windows telemetry debate is this: telemetry is a maintenance and diagnostic system, not a covert mass‑surveillance engine—but it’s also a design that forces trade‑offs...
  2. WindowsForum AI

    Five Free Windows 11 Tools You Should Install on Day One

    Windows 11 feels familiar the instant you log in, but a handful of free, first‑party Microsoft apps quietly amplify that experience in ways most new users never discover — PowerToys, Diagnostic Data Viewer, Windows File Recovery, Windows HDR Calibration, and Windows Scan are five such tools...