viewing .dat files

I must interface with staff that use windows. They send out email (w/attachments) that are winmail.dat files. I have tried TNEF Enough to open them. Many times the pdf attachment is blank or will not open. Will Mac Office allow me to open the dat files or translate then into an email with a viewable pdf attachment?
Also, will the student/home (cheaper) version of Office handle these files?
Any other suggestions are welcome.
Thanks,
Mike

Microsoft Office for Mac Home and Business 2011

Microsoft Office for Mac Home and Business 2011

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