Transport Neutral Encapsulation Format
From Just Solve the File Format Problem
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|extensions={{ext|dat}}, {{ext|tnef}} | |extensions={{ext|dat}}, {{ext|tnef}} | ||
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| − | ''' | + | '''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). When saved elsewhere as archives or samples, sometimes the .tnef file extension is used. | 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). When saved elsewhere as archives or samples, sometimes the .tnef file extension is used. | ||
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* [http://sourceforge.net/projects/tnef/ TNEF]: An open source TNEF decoder utility | * [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) | * [https://addons.mozilla.org/en-US/thunderbird/addon/lookout/ Lookout]: Thunderbird addon to read TNEF (based on the above TNEF decoder utility) | ||
| + | * [http://www.eolsoft.com/download/ Winmail Opener] | ||
== Sample files == | == Sample files == | ||
Revision as of 23:57, 27 April 2015
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). When saved elsewhere as archives or samples, sometimes the .tnef file extension is used.
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)
- Winmail Opener
