ch system for, computer, internet and other applicationsUS7440132Aug 6, 2004Oct 21, 2008Microsoft CorporationSystems and methods for handling a file with complex elementsUS7451156Jan 25, 2006Nov 11, 2008Microsoft CorporationMethod and apparatus for maintaining relationships between parts in a packageUS7464096Jun 8, 2005Dec 9, 2008Justsystems Evans Reasearch, Inc.Method and apparatus for informatio