Know how to restore Outlook OST File through Outlook OST file converter tool to restore OST files with few easy steps and clicks. And, this Outlook OST file tool to convert OST file into PST files after converting OST data save as PST file, Emails and Messages. Outlook OST File converter Software supports all editions of Windows OS like Win 95, 98, 2000, XP, 2003, ME, Vista, Win7 and Win8.