E-Trail DA Importer is an administrative tool that allows clients to search their network, find and import into the E-Trail Digital Archive the following types of data: A single PST file A set of PST files located in multiple subfolders A set of EML files An MBOX file located on the network A MAILDIR folder located on the network E-Trail DA PST importer would allow the administrator to automatically crawl multiple file systems and find and import into E-Trail Digital Archive every existing PST or EML or MBOX file.