An information management apparatus for managing an information file comprising a plurality of pieces of paragraph information and header information associated with the pieces of paragraph information according to a logical structure of the information file, said information management apparatus comprising file dividing means for dividing the information file according to the logical structure thereof, said file dividing means comprising:
- means for producing a plurality of paragraph files each including one or more of the pieces of paragraph information;
- and
- means for producing a header management file comprising header information and link information, the header information having been extracted from the information file based on the logical structure thereof and the link information indicating a link to at least one of the paragraph files including the paragraph information with which the extracted header information is associated by the logical structure of the information file.