Sifo launch new outlook ost converter software to all ost in to pst file this ost to pst converter software is design using advance technology to convert all ost mailbox items like emails, contacts, calendars, tasks, notes and many other items in to pst file this software is support all vesion 32bit and 64bit and install all windows operating systems. For more info visit this link OST to PST Converter Software by Sifo Systems