How to open .diagcab file format?

The probably reason why you are at this website is a problem with opening .diagcab file. The full name of the file is Troubleshooting Pack Cabinet File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is Microsoft.

.diagcab file extension (Troubleshooting Pack Cabinet File)

Category Developer/Producer File description Popularity
System Files Microsoft Troubleshooting Pack Cabinet File
Programs using this file extension: .diagcab
ADS OS Software
  • Microsoft Support Diagnostic Tool
  • Microsoft Makecab
  • Microsoft Sign Tool

The file extension .diagcab can be used by another programs. If you have some useful information about .diagcab file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .diagcab file?
  • How to open .diagcab file?
  • What is .diagcab file?
  • How can I convert .diagcab file?
  • Where can I find informations about .diagcab file extension? (for example on the File Extension website)
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .diagcab extension on