Free download ATS OST Recovery Software which allows you to do work on offline and repair your damaged OST file without difficulty. This application gives a lifetime validity license and updates. You can easily migrate your OST data to PST file formats without any size limitation along Emails, inbox, outbox, sent-items, deleted-items, drafts, contacts, calendars, notes (to, cc, bcc, subject, date and time) into cloud-based application Office 365 & Exchange server which is an additional feature of it without any changes and data loss. It is supporting OS Windows 95, NT, 98, ME, XP, Vista, 7, 8, and 8.1,10 (32bit & 64bit) safely & securely without wasting their expensive time. This utility also preserves your OST file without any complication.