Importing Outlook OST to Office 365 can be easily done using the Sysinfo OST to PST Converter. It has a simple interface and doesn't require any technical expertise. Users can quickly convert multiple OST files at once with this tool. Its additional features allow users to preview the selected files before the conversion. Also, it can convert OST files into PST and other file formats. Moreover, this software comes with a free trial version for any user to evaluate its performance.
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