Free Convert OST to PST tool to smoothly convert OST files into PST files from damage Outlook OST files. And also OST to PST software recovers all Emails, attachments, calendar, notes, task, journals and other important items. OST to PST Converter Free tool recovers the original formatting of the RTF and HTML email messages and demonstration version convert first 25 file objects including (emails, calendar, task, journals) etc.