A document management extension system for use as an extension to document collection and management software, includes an information store having a database and a messaging system for storing documents managed by the document collection and management software, with stored documents being stored in either the database, the messaging system, or both, of the information store. The document management extension system also includes document indexing of the database or messaging system for the documents stored therein, along with processing of the documents stored in either the database or messaging system of the information store.