PPS: From this thread:
http://amazingcharts.com/ub/ubbthreads.php/topics/71773/Harris#Post71773

in reply by Indy,

"We have done multiple data conversions, so I can tell you data could be reverted to 6.3.3. Depending on several different factors, it would be an alternative."
FYI


Don Manuele, D.O.
Solo Family Practice, Sequim, WA