EML to PST - Version 4.0 EML to PST Converter software has made it easy to Convert EML to PST. With this program users of Windows Live Mail, Vista Mail, Thunderbird, Mac Mail, Entourage and Outlook Express can easily convert EML to PST. No additional technical skills are require to transfer EML to PST with this program, it’s a very easy to use software which converts EML to PST and also keeps all email elements in the process. There is the option of batch conversion available in the software which allows user to convert multiple EML to PST.