Files with diagcab extension can be often found and troubleshooting files from Microsoft Windows Troubleshooting service.

Detailed description

Software that open diagcab file

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DIAGCAB file extension - Microsoft Windows Troubleshooting CAB data

What is diagcab file? How to open diagcab files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

File extension diagcab is mainly related to the Microsoft Windows Troubleshooting service.

Windows Troubleshooting service helps users to fix problems in Microsoft Windows. It also can connect to Microsoft servers and send information about problems to developers. It was introduced in Microsoft Windows Vista and is part of Windows eversince.

diagcab files are created by makecab command line tool and can be viewed in Microsoft Support Diagnostic Tool (msdt.exe tool) tools from Microsoft Windows. They are used for diagnosing and fixing Windows problems.

Updated: November 29, 2023

The default software associated to open diagcab file:

Microsoft Support Diagnostic Tool picture or screenshot

Microsoft Corporation logoMicrosoft Support Diagnostic Tool  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Support Diagnostic Tool is used to collect information about problems and system failures. It is able to send information to Microsoft Support. The tool can help Microsoft Support solve problems more efficiently than by diagnosing over the phone or by using e-mail.

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Microsoft Windows 11.

Help how to open:

Use Microsoft Support Diagnostic Tool to open .diagcab files.

How to convert:

Probably cannot be converted to anything else.

List of software applications associated to the .diagcab file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open diagcab file, edit diagcab file, convert diagcab file, view diagcab file, play diagcab file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting diagcab files.

Software that open diagcab file - Microsoft Windows Troubleshooting CAB data

Programs supporting the exension diagcab on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Microsoft Support Diagnostic Tool for open diagcab file action.

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