Use Folders to organize your research. Items can be assigned to multiple folders, but only need to be added to your RefWorks account once.
You can create a folder two different ways. First way:
Select the sources you want to add to your new folder
Then select the Assign to Folder icon on the navigation bar.
From the drop-down, select Create.
Name your folder and select Create folder.
Second Way:
Expand My Folders and click Add a Folder.
Name your folder and click Save. Your new folder will appear under My Folders.
Expand the My Folders section on the left-hand menu
Select the Moreicon next to the folder you wish to add a sub-folder to.
Select Add subfolder from the drop-down menu
Name your sub-folder, then select Save.You'll see an arrow appear next to the main folder name, indicating there is a sub-folder. Selecting the arrow displays any sub-folders.