You will use eSoftTools EML to PST Converter. EML to Outlook file migration app is available for free. Many applications that migrate EML files to MS Outlook PST file format are accessible online, in my opinion. However, I would like to recommend one such excellent method for exporting EML to PST, MBOX, MSG, HTML, OFFICE 365, GMAIL, and NSF formats. Since this utility is based on a modern user interface.
Read more:- Migrate EML to PST file
First, open Microsoft Outlook and Windows Live Mail at the same time.
Now, in Windows Mail, import all .eml file by File menu >> Import >> Import message.
Open Windows Live Mail again and go to the File menu >> Export >> Export Message.
Now, choose Microsoft Exchange option from a newly opened Windows and click NEXT to convert EML to PST.
Now, a pop-up will generate that “This will export messages from Windows Live Mail to Microsoft Outlook or Microsoft Exchange”.
Hit OK to confirm the selection.
Now you can export the file in two ways, either export selected folder or all folders.
Click OK to convert EML to PST.
Finally, the export process will begin, and you stop waiting to complete.
After completing the process, the export dialog box will appear on your screen. Click Finish.