Winmail.dat attachments: Difference between revisions
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Outlook uses the Transport Neutral Encapsulation Format (TNEF) to send messages with Rich Text Format (RTF) formatting. If your e-mail client doesn't support TNEF (most don't) you may also recieve a winmail.dat or a "Part 1.2" attachment. Sometimes you may receive an attachment with a generic name such as ATT00008.dat or ATT00005.eml instead. You can configure Thunderbird to use one of the programs below to open the application/ms-tnef attachment. | Outlook uses the Transport Neutral Encapsulation Format (TNEF) to send messages with Rich Text Format (RTF) formatting. If your e-mail client doesn't support TNEF (most don't) you may also recieve a winmail.dat or a "Part 1.2" attachment. Sometimes you may receive an attachment with a generic name such as ATT00008.dat or ATT00005.eml instead. You can configure Thunderbird to use one of the programs below to open the application/ms-tnef attachment. | ||
* [http://www.fentun.com/ Fentun] Win9X, NT, and Win2K but not Windows XP | * [http://www.fentun.com/ Fentun] Win9X, NT, and Win2K but not Windows XP | ||
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* [http://www.joshjacob.com/macdev/tnef/ TNEF's Enough] OS9 and OSX | * [http://www.joshjacob.com/macdev/tnef/ TNEF's Enough] OS9 and OSX | ||
Note that AVG (a anti-virus program) can also add a "Part 1.2" attachment that contains the same information about the message having been scanned for viruses that it adds to end of the message body. | |||
The sender can avoid sending a winmail.dat file by turning off TNEF in Outlook. | The sender can avoid sending a winmail.dat file by turning off TNEF in Outlook. |
Revision as of 02:43, 1 March 2006
- This article was written for Thunderbird but also applies to Mozilla Suite / SeaMonkey (though some menu sequences may differ).
Outlook uses the Transport Neutral Encapsulation Format (TNEF) to send messages with Rich Text Format (RTF) formatting. If your e-mail client doesn't support TNEF (most don't) you may also recieve a winmail.dat or a "Part 1.2" attachment. Sometimes you may receive an attachment with a generic name such as ATT00008.dat or ATT00005.eml instead. You can configure Thunderbird to use one of the programs below to open the application/ms-tnef attachment.
- Fentun Win9X, NT, and Win2K but not Windows XP
- AkeeSoft WMViewer Windows 95X though Windows Server 2003
- Winmail Opener Windows 95X though Windows Server 2003
- TNEF Linux
- TNEF's Enough OS9 and OSX
Note that AVG (a anti-virus program) can also add a "Part 1.2" attachment that contains the same information about the message having been scanned for viruses that it adds to end of the message body.
The sender can avoid sending a winmail.dat file by turning off TNEF in Outlook.
- On the "Tools" menu, click "Options", and then click the "Mail Format" tab.
- In the "Send in this message format" list, click "Plain Text" or "HTML", and then click "OK".