Quickstart guide
 
  1. 1.Installation. Download tnefDD, unzip it, and drag it to the “Applications” folder.
  2. 2.Opening a TNEF file. Start tnefDD. Then either drag and drop the file onto the tnefDD icon in the dock, or open the file from tnefDD’s file menu.
  3. 3.Saving a decoded attachment. Drag and drop the attachment to wherever you want to save it to. Otherwise, save it from the File menu, or the context menu
 
For more information on any of these topics, click the links on the left of this page
Quick Start