ost to pst converter free full version
Try OST to PST converter software which smoothly works to export email extracted OST file to PST file format. Outlook OST Converter can split large PST files into smaller parts (1GB to GB). OST to PST Converter tool, which can easily convert single as well as multiple emails from OST files to PST format at a one time. OST Converter also have the Messages Filtering by Date, Contacts, Size, and etc. Export OST to PST, Live Exchange, Office365, OLM, vCard, Cal, Gmail, MSG, EML, EMLX,MSG,MBOX etc.
how to convert ost to pst
http://www.osttopst-converter.com/blog/how-to-convert-ost-to-pst.html

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porterfileld commented
Now you can easily convert OST file into PST format with this third party tool OST to PST Converter Software. It can convert single or multiple OST files in many other formats- PST, MSG and EML. User can save selected files after monitoring the preview of conversion. The software is an expert solution to move entire OST messages, documents, images, tasks, calendars, etc. into PST at once. It gives free trial version option by using this option you can easily convert few emails item of per folder of OST files into PST file free of charge. Read More:-https://www.betavare.com/ost/pst/