To Archive an e-Folder:
Click on the drop down arrow on the right side of the e-Folder bar
Select Archive to move the e-Folder to archived items
To Restore or Delete an archived e-Folder, at the top of the e-Folders list:
Move from Current to Archived items
Select the drop down arrow on the right hand side of the e-Folder you want to Restore or Delete
Select Restore or Delete.
Note: If you Delete an e-Folder you will permanently lose the data