If you want open OST files without Outlook so try the eSoftTools OST to PST converter software and easily convert OST files all mailbox items such as emails, contacts, tasks, notes, sent items, inbox, outbox, and attachments to PST, MBOX, EML, EMLX, MSG, HTML, vCard, Office 365, Google, YahooMail, and IMAP Account without missing any important data. This tool easily to run in all Windows Operating Systems. So also try the free demo version.
If you want open OST files without Outlook so try the eSoftTools OST to PST converter software and easily convert OST files all mailbox items such as emails, contacts, tasks, notes, sent items, inbox, outbox, and attachments to PST, MBOX, EML, EMLX, MSG, HTML, vCard, Office 365, Google, YahooMail, and IMAP Account without missing any important data. This tool easily to run in all Windows Operating Systems. So also try the free demo version.
Read more:- Open OST file Without Outlook