A document search system includes a plurality of computers in a network having a router, and an email software program on each of the computers. A database stores attachment files and email documents. A search program on at least one of the computers initiating storage of email documents and attachment files. A mail journal database stores email data extracted by the search program from the email. A message identification (ID) identifying the email document, and the ID being generated by the search program and associating an email document with corresponding email data, and the ID associating the email document with an attachment file when an attachment file is sent. A file loader replacing an attachment file with a file link and storing the attachment file in the database. The file link provides access to the attachment file in the database.