To import batches of EML file into MBOX format you can get EML to MBOX Batch Converter software at $69. Software maintains all email attributes through the process of EML to MBOX batch conversion. If you are interested to judge the working procedure of software then you can try our demo version tool which is completely free to try. But it does not support batch conversion, so EML to MBOX Batch Converter meets with your requirement by converting huge set of EML files into MBOX format at a time. No need to think about installation as our EML to MBOX Batch Converter works with Windows: 8, Vista, 7, XP, 2003, 2000, 98, 95 machines.