There are no free tool available on the internet but if you want to try free trial version of any Reliable tool then I want to suggest you try this Regain OST to PST Converter Software that can easily Recover your deleted OST files and also Convert your OST file to PST file format.
Try free trial here: Convert OST to PST
?
Watch our Youtube video here:
[video]jWNm-ReumYk[/video]
