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Navigation: Home > DIAGCAB file

Informations about the DIAGCAB filename extension and the file formats associated with it

We collected the information you should know about the .diagcab filename on this page. If you were sent a(n) .diagcab file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.diagcab - Windows Troubleshooting Pack Cabinet

The DIAGCAB file is a Other file, which is connected to the Windows Troubleshooting Pack Cabinet according to our registry. With the adequate settings, the Windows Troubleshooting Pack Cabinet (.diagcab) files can be opened or converted with the help of Windows Troubleshooting Platform.

Format description:
DIAGCAB format
Windows Troubleshooting Platform
Magic string:
- / -
Related links:
Related extensions:
Kubotek KeyCreator KXL Macro Library
BitTorrent Incomplete Download File
Nokia Phone Theme
TYPO3 Extension File
FMAT Runfile
AxCrypt Encrypted File

Important! Programs other than the ones listed above may also use the .diagcab file extension. Even harmful programs can create files with the .diagcab extension to store data in them. Always be careful with .diagcab files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .diagcab file can’t be opened on your computer?

If the program necessary for opening the .diagcab file is installed properly on your computer, then the quickest and simplest way to open the .diagcab file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .diagcab file, you may receive an error message from the associated application, this can be caused by the following:

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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