About dbxTriever, Open DBX files without Microsoft Outlook Express. The program is compatible with Microsoft Outlook Expres versions 4, 5 and 6. DBXTriever can load Outlook Express Version 4's MBX and IDX files, and Outlook Express Version 5, 6's DBX files. Sort e-mail messages by received date, subject, sender name,sender email, receiver name, receiver email, size and attachment. Retrieve multiple e-mails at a time.