Viewing the Contents of the Global Assembly Cache
Use the Global Assembly Cache tool (Gacutil.exe) to view the contents of the global assembly cache.
To view a list of the assemblies in the global assembly cache
At the command prompt, type the following command:
gacutil –l
The .NET Framework SDK also provides a Windows shell extension called the Assembly Cache Viewer (Shfusion.dll), which you can use to view the contents of global assembly cache.
See Also
Working with Assemblies and the Global Assembly Cache | Global Assembly Cache Tool (Gacutil.exe) | Assembly Cache Viewer (Shfusion.dll)