You can copy people from any folder and paste them into Group folders. You can also remove people from your Group folders. You do this using the Data Organizer in the Summary window with the Cut, Copy, and Paste commands.
In the Data Organizer, open the folder from which you want to copy or cut people.
Select the person or people you want to copy or cut.
Choose Copy or Cut from the Edit menu, toolbar, or right mouse menu.
If you are adding the person or people to another folder, select the group folder in which you want to paste them.
Choose Paste from the Edit menu, toolbar, or right mouse menu.
Note: To delete a group folder, see: Deleting a Folder.