Users may effortlessly convert Offline OST files to Outlook PST formats with the help of eSoftTools OST to PST Conversion Utility. It lets you save OST data files in a variety of formats, including PST, MSG, NSF, Office365, MBOX, HTML, EML, EMLX, and more. In terms of size, you are unrestricted. It has preview tools that allow you to double-check your OST file mailbox data before migrating it.
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