So many users people across the world who want to open their emails into their Outlook account and Outlook does not offers to import .eml file so in that case, you can convert your all emails into PST format so that you can import converted PST file in Outlook and to do that you can take help of Regain EML to PST Converter which is best way for converting EML to PST as you can replicate the existing file system directory structure in Outlook.