Flash Applets mapping Office 2003 menus to 2007 ribbon. Silverlight applets Mapping 2003 menu to 2010 ribbon for all Office apps. If this proposed solution has resolved your issue(s), please mark it as Propose as Answer to let others know the solution that worked for you Please click on the 'Vote as Helpful' button! With Office being used on more than 1 billion Macs and PCs worldwide, you can work with practically anyone you want, how you want, wherever you want-with no worries. knowing that Office for Mac is most compatible with Office for Windows. I haven't seen anything explicitly mentioning file structure compatibility, but since they are going on about feature compatibility and collaboration with PC user, I would guess that the new files are compatible. This article talks about 'look and feel' compatibility between PC 2010 and MAC 2011 for the ribbon and features.
