A system and method stores electronic legal documents, such as email messages, in a database system such that electronic characteristics associated a native format of the electronic legal documents are substantially preserved. The electronic characteristics that are preserved include metadata and conversational threading information, directory path information, attachments, and other electronic document information. Once in the database system, the stored electronic legal documents are indexed and can be searched by users at terminals. The users at the terminals are provided with access to the database system via a server. The terminals have user interfaces to provide the users with a variety of searching, processing, and saving capabilities, including the ability to follow conversation threads, view attachments, and index and retrieve selected electronic legal documents in a manner that allows use of the stored electronic characteristics.