Winmail Reader is enables you to read "winmail.dat" attachment files. Winmail Reader is allows to open, view and save attachments from "winmail.dat" files. In addition, it also support batch extraction of winmail.dat files directly into Download folder.
Winmail.dat files are in fact TNEF format (Transport Neutral Encapsulation Format) sent from MS Outlook which is not decode by most of other mail client applications. The easy-to-use solution to circumvent this problem is provided by Winmail Reader.