If you want to recover emails from damaged OST file then just download OST to PST File recovery Software which perfectly recover outlook OST file and convert outlook OST File to PST Outlook file with PST Split option upto 5 GB. Choose date filtering option “From date” to “ to date” to recover emails and save them into PST, EML, MSG, HTML, MHTML, RTF, TXT, RTF, PDF, MBOX and outlook profile etc. It supports OST versions upto 2016