Outlook and the winmail.dat problem

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You can stop Outlook from sending winmail.dat (MS-Tnef) attachments (hiding, what’s more, real attachments) to puzzled email recipients who do not use Outlook. The Confusing Case of Winmail.dat Do recipients of your emails, seemingly out of the blue, complain about a mysterious attachment called “winmail.dat” (of the even more mysterious content type “application/ms-tnef”), which they […]