Perform the following steps:
Perform the search from which you want to create a virtual folder. For more information, see Using Advanced Searches.
After you perform the search, choose Search -> Create Virtual Folder From Search. A New VFolder dialog is displayed. The dialog contains the search criteria for the search you performed.
Modify the details of the virtual folder in the dialog if required. For more information about the dialog, see To Add a Virtual Folder.
Click OK. The virtual folder is added to the list of virtual folders in the folder pane.