Developer's description:If you are looking for a solution on how to view offline OST file in Outlook? If yes, then you can try OST Export software, which helps you to convert multiple offline OST file to PST format including all emails, contacts, calendars, tasks, journals, notes, etc. with attachments. There is no file size limitation, you can convert n number of files at a time without any data loss. MS Outlook installation is not required for the conversion process. During the conversion process, the tool keeps all the folder structure without any data loss and changes. It supports all the latest and below versions of MS Outlook and Windows OS including Windows 10. Demo version of the software also provided without any cost.