Right-click the linked folder in the Outlook tree, point to the File to iManage menu, and select Unlink from iManage. A dialog box appears asking you to confirm your choice.
(Optional) To remove the link that the sub folders in this selected folder have with the iManage folder, clear the Remove folder links for sub folders check box.
Select Yes. The iManage icon and the word [Work] is removed from the folder name.