| Folder | Description |
| GAC | Stores the assemblies built for the .NET Framework 1.0/1.1 |
| GAC_32 | Stores the 32-bit assemblies built using .NET Framework 2.0. |
| GAC_64 | Stores the 64-bit assemblies built using .NET Framework 2.0. |
| GAC_MSIL | Stores the portable assemblies; that is, those that have the Processor architecture set as MSIL. |