Use data recovery OST to PST program to recover data from OST file of all versions. Microsoft OST to PST Converter program easily recover OST and open entire data in Outlook PST file in an accurate format of TXT, RTF and HTML etc. variant formats are available as an alternative to save OST file. This tool works in all versions of Outlook OST and eases the recovery of inaccessible OST file. Move OST to PST and split PST into 1GB to 5GB file size.