Kernel for MBOX to PST is upgraded and calibrated to support versatile MBOX email clients such as Mulberry, GyazMail, Gnu, Sparrow, WebMail, SeaMonkey, and Sylpheed, etc. The Powermail to PST Converter is infused with the state-of-the-art email migration capability which orchestrates the speedy migration of MBOX email items to cloud-driven Office 365 subscribed accounts. Furthermore, the software works smoothly with the latest Windows 10 OS.