Use the best ATS OST to PST Converter to convert Exchange OST files thoroughly and move them to accessible PST file format without disturbing its original structure. The tool supports recovery of entire mailbox items such as emails, journals, attachments, notes, drafts, sent mails, deleted mails, Inbox, etc. and convert them to PST, MSG, EML, EMLX, vCal, Card etc. You can use the demo version for converting a few emails for free. You can download the demo version of the converter form the official website of the ATS OST converter.