Got a mail from some MS Outlook user which has a strange attachment going by the file name „winmail.dat” – and no idea what to do with that? Well, you’re not alone. What’s behind that is MS’ TNEF format, full name „Transport Neutral Encapsulation Format”, which no other software (but Outlook and Exchange) uses. And especially your Android device knows nothing about.

So this app comes to your rescue: whenever you open a „winmail.dat” attachment from a mail in e.g. K-9 Mail, ''TNEF Extractor'' ju