OST Converter, all-in-one solution to import Outlook OST to Office 365 with all associated mailbox items in seconds. It is one of the simplest application to import OST to Office 365. All kind of users can access the software and perform the move Outlook OST data folder to Office 365 successfully without Outlook installation. The application maintains data integrity and other properties, also provide number of advance facilities to users for precise import Outlook OST to Office 365.