Yes you will be fine. I'e done it between 5 and 7. -----Original Message----- From: ddots-l-bounce@xxxxxxxxxxxxx [mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Omar Binno Sent: Monday, May 19, 2008 3:36 PM To: ddots-l@xxxxxxxxxxxxx Subject: [ddots-l] downgrading sonar files Hello, If I'm using Sonar 6, and a person I'm colaborating with is using Sonar 7, will we both be able to work with a cwp file, even though he's using a higher version of Sonar than I am? Thanks. Omar Binno www.omarbinno.com