VBA mscorlib
mscorlib is part of the .NET framework and can be used to access the ArrayList class in VBA. In order for VBA to access mscorlib, .NET version 3.5 must be installed. Later versions can be installed as well but 3.5 must be installed for mscorlib to work in VBA. Intellisense is not available in VBA for mscorlib and the Object Explorer contains limited information about the classes contained in mscorlib.