If it's a trial, then you don't have an authorization key. You'll need to purchase Office 2007 and then you'll get the key. Dave Created in the Audio Recording and Mixing Studios, San Jose, California ----- Original Message ----- From: Marvin Hunkin To: jfw@xxxxxxxxxxxxx Sent: Monday, September 06, 2010 05:50 Subject: installing two versions of office HI. FOUND A TRIAL VERSION OF OFFICE 2007. AND INSTALLED TO THE SAME MICROSOFT OFFICE FOLDER AS 2010. AND NOW SITTING SIDE BY SIDE, NO CNFLICTS AND JUST LOADED WORD 2007. STILL NEED TO FIND THE AUTHORISATION KEY TO RUN IT. WHERE DO I FIND THE KEY. THANK YOU. MARVIN.