A best way to convert OST file to PST format by using ZOOK OST to PST Converter software. The tool provide batch conversion of OST files to PST format including emails, contacts, notes, tasks, journals, messages, calendars, etc. It has simple and easy to use GUI which allows to perform error-free OST to PST conversion with 100% accuracy. It is developed with advanced algorithm which makes it a powerful and safe utility.