The invention provides a system to convert multi-part files into a single file for use and transfer. The invention combines a "portable server implementation" with a concatenation of the individual files of a multi-part file to create a single file instantiation. When the single file is opened, the server...http://www.google.co.uk/patents/US6078921?utm_source=gb-gplus-sharePatent US6078921 - Method and apparatus for providing a self-service file
