Plenty of tools exist that allows users to convert emails from Outlook Express .dbx files and save it either as mailbox (.mbox) or individual .eml files. One of such popular tools is for example the free command line DbxConv utility.
Convert Microsoft Outlook Express e-mail folder to Mail mailbox.
We have found 2 software records in our database eligible for .dbx to .mbox file format conversion.
Microsoft Windows software - convert dbx to mbox on Windows
DbxConv is a program with which you can extract the messages from an Outlook Express (5.0 - 6.0) mailbox and convert it either to the standard mbox or the Outlook Express eml format.
Convert from dbx file
to mbox file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned dbx to mbox. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Linux/Unix software - convert dbx to mbox on Linux
Outlook Open Converter is a Linux program that converts Outlook Express 5/6 *.dbx to *.eml and Outlook 2003/2007/2010 *.pst to *.mbox.