MailsDaddy OST to PST converter tool allows users to convert Outlook Offline storage files. The converter works seamlessly and efficiently by preserving all meta data, email content, contacts , calendars and attachments. A preview window is opened in the converter which shows all contents of The file and allows users to see what's inside that particular file. This converter is supported on all Windows OS and Outlook versions. A free trial version of the tool is also available.