Outlook Express EML PST - Version 4.0 Till Windows XP Outlook Express has been the default email application of Windows but not anymore, this reason has induce many users to shift to Outlook. To convert Outlook Express EML PST PCVARE provides EML to PST Converter software. The program converts Outlook Express .EML to PST in easy steps and very quickly. For all the users who want or need to convert Outlook Express EML PST, this program is the absolute solution for them. Another plus point of this program is that apart from doing Outlook Express EML PST conversion it also does conversion of EML files from Windows Live Mail, Windows Vista Mail, Thunderbird, Mac Mail and Entourage to MS Outlook PST format.