A free, Windows-only version that has been the industry standard for over 15 years.
Depending on your operating system and specific troubleshooting needs, you can choose between two primary versions available on the official Telerik website : fiddler trace download microsoft
Fiddler is a powerful web debugging proxy used by Microsoft Support and developers to troubleshoot network connectivity, authentication, and application performance issues. While it is a third-party tool owned by , Microsoft frequently leverages it for complex diagnostic scenarios involving Microsoft 365, Teams, and Power Query . How to Download Fiddler for Microsoft Troubleshooting A free, Windows-only version that has been the
A modern, cross-platform version for Windows, macOS, and Linux that requires a subscription but offers a more intuitive interface and collaboration tools. Step-by-Step: Capturing a Fiddler Trace How to Download Fiddler for Microsoft Troubleshooting A
To provide a useful trace for Microsoft Support, follow these steps to set up and record your session: