System Files

Microsoft Support Diagnostic Tool

by Microsoft Corporation · opens 2 file types
Windows
AT A GLANCE
DeveloperMicrosoft Corporation
PlatformsWindows
Opens2 file types
Get it fromwindows.microsoft.com
Download Microsoft Support Diagnostic Tool

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2 file types verified
Last reviewed Oct 2026

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What is Microsoft Support Diagnostic Tool?

Microsoft Support Diagnostic Tool is listed in our database as a program that opens or converts the file formats shown on this page. It runs on Windows. It is published by Microsoft Corporation. The formats it works with include .DIAGCFG and .DIAGPKG.

You can get the official version from the developer's website (windows.microsoft.com); we do not host the installer and only point you to the original source. A detailed, hand-checked description of Microsoft Support Diagnostic Tool is on the way; for now the information here comes straight from our database.

Files Microsoft Support Diagnostic Tool opens

2 formats
System Files

Click any badge for full per-format details - what it is, how to open it and how to convert it.

Download Microsoft Support Diagnostic Tool

SOURCEwindows.microsoft.comofficial site - avoid third-party download portals
PLATFORMSWindows

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programs & formats

Files Microsoft Support Diagnostic Tool opens most

1.DIAGCFGMicrosoft Windows Troubleshooting configuration file
2.DIAGPKGMicrosoft Windows Troubleshooting package file

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