In this situation recommend use this solution-  Outlook Recovery Software, which to my mind is freeware also, it has many other features program can help to recover deleted Outlook header structure, applied data filters for emails, repair broken items etc., You can see preview of recovered data through this software. Software provides you best option to save recovered data into PST, EML, and MSG file format. For more visit here: http://www.wikihow.com/Recover-Deleted-Emails-from-Outlook-Using-Systools-Outlook-PST-Recovery