Quickly and safely convert OST file into PST file format with the help of eSoftTools OST to PST Converter Software. It also transfers OST file into HTML, Office365, MBOX, MSG, CSV, vCard, ICS, EML file format and software also proceed OST conversion process on all Windows Operating System Win XP, Win eight, Win 8.1, Win7, Win Vista, and Win 10. For user satisfaction, it also shows a preview of OST file mailbox items.