If you are looking for the best way to convert OST to EML, then go for the MailConverterTools OST to PST Converter. This tool not only converts OST files into EML but also supports multiple formats like PST, MBOX, and PDF. It even allows migration to cloud-based email clients such as Gmail, Yahoo, and Office 365. Before conversion, you can preview your emails, contacts, and attachments, making it easy to choose exactly what you need. It’s a simple and reliable solution that works perfectly for both home users and professionals. This software introduces the Naming Convention Feature, using which users can rename the resultant folder according to their preference. Apart from this, the software is compatible with both Windows and Mac OS.