Transport Neutral Encapsulation Format

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== Software ==
 
== Software ==
 
* [http://www.fentun.com/ Fentun]: Freeware Windows program to decode this attachment
 
* [http://www.fentun.com/ Fentun]: Freeware Windows program to decode this attachment
* [https://addons.mozilla.org/en-US/thunderbird/addon/lookout/ Lookout]: Thunderbird addon to read TNEF
+
* [http://sourceforge.net/projects/tnef/ TNEF]: An open source TNEF decoder utility
 +
* [https://addons.mozilla.org/en-US/thunderbird/addon/lookout/ Lookout]: Thunderbird addon to read TNEF (based on the above TNEF decoder utility)
  
 
== Links and references ==
 
== Links and references ==
 
* [[Wikipedia:Transport Neutral Encapsulation Format|Transport Neutral Encapsulation Format (Wikipedia)]]
 
* [[Wikipedia:Transport Neutral Encapsulation Format|Transport Neutral Encapsulation Format (Wikipedia)]]
 
* [http://www.modemhelp.net/newsletter/email/winmaildat.shtml How to turn off winmail.dat attachments]
 
* [http://www.modemhelp.net/newsletter/email/winmaildat.shtml How to turn off winmail.dat attachments]

Revision as of 04:13, 2 March 2013

File Format
Name Transport Neutral Encapsulation Format
Ontology
MIME Type(s) application/vnd.ms-tnef

Transport Neutral Encapsulation Format (TNEF) is a proprietary format used by Microsoft mail software to encode attachments and rich text, instead of more standards-compliant methods such as MIME.

It is usually implemented as an attachment called winmail.dat or win.dat, which Microsoft programs know what to do with, but is a useless and confusing attachment to everybody else (unless they use one of several programs and plugins that have been devised to help non-MS-ers cope with it).

Software

  • Fentun: Freeware Windows program to decode this attachment
  • TNEF: An open source TNEF decoder utility
  • Lookout: Thunderbird addon to read TNEF (based on the above TNEF decoder utility)

Links and references

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