* Edit standard XML files with all the tools of Word and Excel (like formulas and the spell checker)
* Take existing Word or Excel documents, transform all or part of them into XML, and "plug" them into business processes.
* Mine the data in an Office document, using custom macros or applications?on any platform.
* Create rich Word or Excel documents programmatically, without even needing to have Office installed.
* Create smart documents that have built-in user guidance and validation rules to prevent errors.