DIAGCAB file format description

Many people share .diagcab files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .diagcab file can be edited, converted or printed with. On this page, we try to provide assistance for handling .diagcab files.

1 filename extension(s) found in our database.

.diagcab - Windows Troubleshooting Pack Cabinet

The DIAGCAB other files are related to Windows Troubleshooting Platform. The DIAGCAB file is a Windows Troubleshooting Pack Cabinet.

Windows Troubleshooting Platform
Other files
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Windows Troubleshooting Pack Cabinet related extensions:
R-Quest Duplication Systems Firmware Update
Blender Publisher License Key
Avid Interplay Permanent License Data
WinAMP IO Plugin
Datarescue IDA for Windows 64bit Plug-in
PicoBackup Backup Script

Naturally, other applications may also use the .diagcab file extension. Even harmful programs can create .diagcab files. Be especially cautious with .diagcab files coming from an unknown source!

Can't open a .diagcab file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> DIAGCAB file