1. An editable information management method comprising: storing editable information as a master file and a plurality of segment files, each segment file being editable independently of other segment files; combining said master file and said segment files in a manner specified by said master file to create said editable information; displaying said editable information for editing using an application program, said application program comprising an add in configured to combine said segment objects; receiving edit instructions to edit part of the displayed editable information corresponding to a predetermined segment file; and updating said predetermined segment file in response to said editing.
10. A method according to claim 1 , wherein data relating to said master file and said plurality of segment files is stored in a database.