mboxPack Cost: $10 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions mboxPack: mboxPack - Pack individual email files into mbox files. - A quick, simple and easy to use utility that lets you combine eml, msg and txt email files into Thunderbird compatible mbox files that are ready to use! Got old email that you want to get into Thunderbird? This utility makes it easy!