As we look to the future, and all of these data types become increasingly intertwined, locked-in formats like OpenDocument are not well suited to address these varying data types - as the proposed policy itself acknowledges. It's this need for choice and flexibility that led Microsoft to design Office in a way that supports any XML schemas that a customer chooses, a capability lacking in less functional formats.  -   Alan Yates     Quotes
As we look to the future, and all of these data types become increasingly intertwined, locked-in formats like OpenDocument are not well suited to address these varying data types - as the proposed policy itself acknowledges. It's this need for choice and flexibility that led Microsoft to design Office in a way that supports any XML schemas that a customer chooses, a capability lacking in less functional formats. Alan Yates
 Future