OST to PST Email Conversion software is a failsafe app which is enriched with latest attributes and advanced OST recovery algorithm. Save your data and gain A grade result to restore deleted emails from OST file. OST to PST Tool is beneficial to convert OST file to PST, EML and MSG file format supports each Windows OS such as Win 95, 2000, XP, 2003, and Win7.and Win 8.1 instantly. Those want to attempt trial can download free app directly.