Enterprise 1 - 5 data files to Pro/Premier 2006, 2007, 2008 or 2009 Enterprise 6.0 data files to Pro/Premier 2006, 2007, 2008 or 2009 Enterprise 7.0 data files to Pro/Premier 2007, 2008 or 2009 Enterprise 8.0 data files to Pro/Premier 2008 or 2009 Enterprise 9.0 data files to Pro/Premier 2009