You can use the eSoftTools EML to Office 365 Converter Tool, which is a very useful tool for exporting EML files to Outlook PST format. This program is very simple to use and run, so anyone can use it without difficulty and migrate EML files to Office 365 format. This app is compatible with the most recent versions of Windows, including Windows 10, 8, 7, XP, and Vista.
Read More:- Migrate EML files to Office 365
Upload EML to Office 365 Account
Open the application and selected the EML files to be imported.
Using the Windows Explorer select the destination where all the EML files are saved.
Once the folder is selected all the Emails corresponding to the folder can be previewed.
Now Click on Export Option and Move to Next Step.
Regards,
Willjoe