Get ZOOK OST to PST Converter to convert offline OST files to PST format. This utility is capable to convert Outlook OST files to PST format with mailbox items and all other attachments. The software have self explanatory interface which supports technical and non-technical users. Users can remove duplicate emails during conversion process. It is full secure and supportable to all versions of MS Outlook and Windows OS. A free trial version of the software also available for all new users.

For more info- https://www.zooksoftware.com/ost-to-pst/