It is recommended that you create only one EndNote library. The Groups feature in EndNote enables you to organise your references without the need to create separate EndNote libraries.
Use groups to organise the references within your EndNote library.
Creating a Group Set allows you to organise groups within your EndNote library.
To create a Group set:
You can create groups under a Group Set.
To create a group:
To add references to a group:
References can also be added by dragging and dropping the reference onto the group.