I would like to recommend you to try Offline OST to PST file Converter proposed by eSoftTools that do the batch conversion without harming the internal data. The software came up with number of different functionalities that makes it unique from others. So that every user can effortlessly access to their mailbox messages into Outlook PST and in 9+ file formats (MBOX, EML, ICS, EML,MSG, vCard, vCal, EMLX, HTML and VCF). It's auto-scanning method is great which automatically scan all the selected OST file and removes the error permanently. Apart from it does not need Outlook application for the conversion that is an additional feature of this utility.After using the free demo edition user can also purchase its full version by just spending a very little cost.
Read more detailed description about software, visit: Offline OST to PST file Converter
Read more detailed description about software, visit: Offline OST to PST file Converter