I have a reliable and safe solution to open OST file without Outlook with eSoftTools OST to PST Converter software. It can Use this application user migrate all the data of OST mailbox like emails, sent-items, deleted-items, drafts, outbox contacts, inbox, calendars, notes (To, Bcc, Cc, Subject, From, Object, Date and Time) Into newly created Outlook PST file. A free OST to PST Converter version is also available in which users can export the first 25 items.
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stella ost to pst converter software is the excellent software to convert all ost mailbox items in to pst file this software is convert all ost mailbox items like emails items, contacts items, calendars items, task items, notes items and many other items in to office 365 account this software is convert all 32bit and 64bit ost mailbox items this software is convert all corrupted and unmounted ost mailbox items in to pst file this software interface is very simple to convert all ost mailbox items using some simple clicks. For more info visit this link https://www.stelladatarecovery.com/ost-to-pst-converter.html