There are many tools to convert OST To EML file. But the eSoftTools OST to EML Converter software is the best conversion tool. It can recover OST damaged files and convert to EML format without losing internal data. If you have multiple files of OST and want to convert selective OST files, you can easily convert single as well as multiple files through this tool. It’s 100% safe and secure software.User can download a free demo pack to convert OST file to EML.