To convert EML Files from MS Outlook PST Format instantly, use Windows Live Mail to PST Converter which can easily covert Windows Live Mail, Outlook Express, Mozilla Thunderbird and Apple email and uses EML to PST file format.This tool converts both EML/EMLX to PST and you can convert multiple EML files to PST format.
It extracts all the essential email components like To, Bcc, Cc, Sent, From, Received, Attachments, etc.This software supports only Windows platform so copy entire eml files and use Windows OS for conversion.