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The winmail.dat file is a container file format used by Microsoft Outlook to send attachments in richtext formatted emails. To open winmail.dat on Linux, use the tnef utility.

Installation

sudo apt-get install tnef

Usage

Open a shell window, navigate to the directory where the winmail.dat file is saved,  then execute the command:

tnef winmail.dat

to extract all files that are stored in the winmail.dat into the current directory.

1. kevin says:

   June 4, 2010 at 9:57 pm

   Thanks so much for the help. Worked Great

   Reply
2. Sebastian says:

   June 9, 2010 at 3:35 am

   Thnks man!
   It works perfect

   Reply