You might want to check out this recent article in Indezine:
http://www.indezine.com/articles/crossplatformpowerpoint01.html
--David
--
David M. Marcovitz
Microsoft PowerPoint MVP
Director of Graduate Programs in Educational Technology
Loyola College in Maryland
Author of _Powerful PowerPoint for Educators_
http://www.PowerfulPowerPoint.com/
"Deverj" <deverj.DeleteThis@comcast.net> wrote in news:1139856984.156165.325720
@g43g2000cwa.googlegroups.com:
> Using PPT 2004 for Mac and PPT 2003 for Windows. Files created on PC
> open OK on Mac, but those same files moved back to the PC open with
> font corruption, with or without editing on the Mac. Any ideas?
>
>