You can easily repair OST file with the help of eSoftTools OST to PST Converter Tool, this tool auto-detects the location of OST file and restores the data from the corrupted OST file and all folders including E-mails, Chats, Contacts, Appointments, Inbox-Outbox items, Drafts, Sent Items, Calendar, Tasks, Notes, Journal folders. Also, to access the accurate information to the user this tool converts the OST file into multiple formats like Office 365, MBOX, CSV, EML, MSG, vCard, HTML, PST Outlook just on minimum numbers of clicks. To make the conversion formats confirm to the user, this software shows the smart preview. A FREE DEMO version is also available of this tool easily up to 50 emails can be converted into all formats by using the demo pack.
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Learn more:- https://www.esofttools.com/blog/introduction-to-ost-and-pst-files/