You can convert multiple EML files to MBOX with the help of EML to MBOX Converter. The converter would also convert your orphan EML files easily. The formatting is maintained even after the conversion of EML files to MBOX format. The converted files can be viewed in any MBOX supported application. The tool runs on Windows Operating System both on the new & the old operating systems. If you are still want to know more about the software then you can download the trial version of the tool which is capable of converting first 25 EML files. This is the only limitation present in the demo version of the tool as rest of the features are same. As a user you can try the demo version and then move forward to the licensed version of the tool.