There does appear to be a problem with the UR buttons not working from the 2nd+ instance of Outlook. Alternative import methods are copy/paste, drag/drop, and the global import hotkey.
http://www.kinook.com/UR/Manual/copy...nalsources.htm
http://www.kinook.com/UR/Manual/drag...nalsources.htm
http://www.kinook.com/UR/Manual/option_importdialog.htm