Outlook OST Recovery consists of software for recovering email items from inaccessible/corrupt OST files, including Emails, Calendar, Contacts, Tasks, Journals etc. It can also retrieve accidentally deleted Emails, Contacts, Tasks, and Calendars.

The most common account types are Microsoft Exchange Server, POP3, IMAP, and HTTP or web-based mail. Email items in POP3, IMAP, and HTTP or web-based mail accounts are stored in PST files, while the email items in Microsoft Exchange Server are stored in OST files.
If you want to recover email items from PST files, please browse our Outlook PST Recovery.
If you are not sure whether your account uses OST file or PST file, please confirm your account type first: Introduction to Outlook Data Files (.pst and .ost)