EndNote Basic makes it easy to organize your citations into groups, by topic, project, or any other category that makes sense to you.
Create a group in 2 places: 1) On the My References tab, use the dropdown menu to find the New Group option, or
2) from the Organize tab, select Manage My Groups, then use the New Group button.
Add references to a group by selecting them on the My References tab and using the dropdown menu to add them to a group.
Any references that you don't place in any group will automatically be put in the Unfiled group. The panel that shows the groups of your library can be hidden. Click on the Show panel message on the left of the window to make this panel appear..