Slashdot writes Microsoft Office 12 may feature Open Document Filters (ODF):
The SourceForge project claims to be an import filter for MS Office, and that is how the developer describes it. But ZDNet quotes Ray Ozzie as talking about an export filter from MS Office, and this french blog takes Ozzie at his word.
Ostensibly the tarball unpacks as OpenOfficePlugin, and SourceForge has the WindowsInstaller.msi listed as 'platform independent'." From the ZDNet article: "Ozzie told me that supporting ODF in Office isn't a matter of principle.