If you are looking for an offline or portable version, here is the official process: How to Obtain "MSDT-Portable.exe"
This will safely restore the original file from the Windows component store.
: Microsoft has deprecated MSDT. Most built-in troubleshooters were redirected to the Get Help app starting in 2023, and the MSDT platform is scheduled for full retirement in 2025 . msdt portable exe download
: You can then move this executable to another machine to gather data and generate a .CAB file to send back to support. Important Safety and Deprecation Notices
The tool itself can generate its own portable version for use on computers without internet access. This is the only official "portable" method: If you are looking for an offline or
: Be extremely cautious of third-party sites offering "msdt.exe" downloads. This tool was famously exploited in the "Follina" zero-day vulnerability to execute malicious code. Always use the built-in version located in C:\Windows\System32 .
: Enter your passkey. If supported by the specific diagnostic package, you will see an option to download an offline version, which creates MSDT-Portable.exe . : You can then move this executable to
The is a built-in Windows utility ( msdt.exe ) and is not typically available as a standalone or "portable" download from official Microsoft sources.