相撲外：Decoding winmail.dat files in GNU

Other GNU/Linux tips

When Outlook or Outlook Express users send e-mail composed using Rich Text Format, the attachments often get transmitted in winmail.dat form, which contains the material in ms-tnef format.

To decipher the attachment, use tnefclean.

To install it in Ubuntu:

$ sudo aptitude install tnef

Then, decrypt the saved attachment with:

$ tnef winmail.dat