If you need advanced Software to convert your Exchange OST files to PST file format then, I would suggest you use Cigati OST to PST Converter Software for free. The Software can easily export your exchange OST files to multiple other file formats such as EML, MBOX, DBX, PDF, etc. Also, if you need to migrate OST files directly to other email clients then, you can do this with this tool. The Software is equipped with various unique features such as preview option, mail filter & date filter to filter emails between a particular date range.
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