To convert MBOX to EML files in bulk, you can use eSoftTools MBOX Converter Software for a quick and reliable solution. This tool allows batch conversion of multiple MBOX files into EML format without losing any data. It preserves email properties, attachments, and folder hierarchy throughout the process. With its simple interface and fast performance, users can easily export large MBOX data into EML files in just a few clicks without any hassle.