Use this OST to PST Converter Software and Export OST mails to PST format with all data files. It capable to repair your corrupted OST file data and recover deleted OST file data with all mailbox items like: mails, contacts, calendars, task, notes, inbox items, outbox items, journals and appointments etc. It provides preview facility where you can easily see the preview of all emails items before the conversion.
One of the best ways to convert multiple OST files to PST is by using the best OST to PST Converter. This utility offers high data security throughout the whole conversion process. Apart from this, it offers some advanced features that help users to optimize the whole process. However, in case you want to examine its advanced performance then you can try its free trial version.
There is another approach available to perform this OST to PST Conversion. In this respect, I have recently explored an informative article that precisely explains the detailed manual process to convert OST to PST format. This article will help you to decide whether you should opt for the manual approach or you should go with the professional software approach.