How to Import OST file into Outlook 365 step-by-step guide? I’m happy to share my experience with you about eSoftTools OST to Office 365 Conversion software. With the use of these tools, you can export your file OST to PST, Office 365, HTML, EML, and MBOX in many items. This tool supports all versions of the window. It protects your data and information during converting your folder OST to Outlook 365 file.
More info -
https://www.esofttools.com/blog/how-to-import-ost-file-into-outlook-365-step-by-step-guide/