Open Xml -for office application

Office Interoperability
http://blogs.msdn.com/dmahugh/

http://openxmldeveloper.org/default.aspx

http://msdn.microsoft.com/en-us/office/bb265236.aspx

Open XML Format SDK 2.0: Getting Started Best Practices
http://blogs.msdn.com/erikaehrli/archive/2009/05/14/open-xml-format-sdk-2-0-getting-started-best-practices.aspx



http://msdn.microsoft.com/en-us/office/aa905342.aspx