I wonder if the PC with 2003 has installed the critical update. 2003
prior to the critical update had lots of problems opening files (not just
ones created on Macs).
--David
--
David M. Marcovitz, Ph.D.
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.loyola.edu/education/PowerfulPowerPoint/