Get this eSoftTools OST to PST Converter Software this tool allows users simply make OST to PST recovery and convert OST into multiple formats like HTML, Yahoo, Zimbra, CSV, ICS, VCARD, EML, Gmail, MSG, EMLX, and Office 365, etc. it supports all version of Outlook.
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To convert OST to PST, simply download the Softaken Software tool, which is one of the most dependable OST converters available. It can convert a single or several OST files to PST files without wasting time, and there are no limitations on the size of OST files for conversions. It can also have the option of exporting OST profiles in various formats like - PST, EML, EMLX, MSG, OFFICE 365, and etc files. Refer:- https://www.softaken.com/blog/diy-techniques-to-convert-ost-to-pst-in-ms-outlook