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May 10, 2026 |
File extension diagpkg
Name: System Files
Popularity: 2
Open With: Microsoft Support Diagnostic Tool
What is this diagpkg file?
File used by the Microsoft Support Diagnostic Tool (msdt.exe), a program used to help users troubleshoot computer problems; contains information required to locate and potentially fix a hardware or software issue; can be run by double-clicking the file in Windows. NOTE: The Microsoft Support Diagnostic Tool is also referred to as the WTP Wizard. The acronym "WTP" stands for Windows Troubleshooting Platform, the technology that allows diagnostics packages to run.
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