I myself opened the OST file in Outlook in just a few steps using eSoftTools OST to PST Converter Tool, which I am telling you from my own experience, by using which there was no loss of any kind of data in my OST file, apart from this, there are great features provided in it, using which a lot of time is saved. Apart from this, using this software, I have opened 25 emails in the OST file in Outlook by using the free Demo.

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