If you want to recover outlook OST to PST file then you can apply OST recovery software in which you can easily repair your damaged outlook OST file and convert outlook OST file into other outlook PST file format with all OST folders as inbox, outbox, sent items, drafts, contacts, notes, journals and other. It supports all outlook OST file versions as 97, 98, 2000, 2003, 2007, 2010 and 2013 in proper way.