Email received from a sender using Outlook includes a Winmail.dat attachment Email Print; Support for Office 2003 has ended. Microsoft ended support for. The Winmail.dat file is used to preserve Rich Text formatting. If you arrived on this page because you received a winmail.dat attachment and don't use Outlook, see the Tools below for utilities you can use to retrieve attachments from the winmail.dat file. Don't bother looking in winmail.
![What Is A Winmail.Dat File Attachment What Is A Winmail.Dat File Attachment](http://aplawrence.com/images/winmail_dat_outlook.jpg)
![What Is A Winmail.Dat File Attachment What Is A Winmail.Dat File Attachment](http://www.wintips.org/wp-content/uploads/2016/02/image_thumb-79.png)
What is the winmail. When people send messages from incorrectly configured Microsoft Outlook email clients, a file attachment called winmail. This file contains formatting information for messages that use Microsoft's proprietary TNEF standard and any attachments sent with the original message.
![What Is A Winmail.Dat File Attachment What Is A Winmail.Dat File Attachment](http://www.wintips.org/wp-content/uploads/2016/02/image_thumb-85.png)
Open those pesky winmail.dat attachments with this Winmail.dat Opener. If Microsoft Outlook or Exchange is badly configured it sends attachments as a file called 'winmail.dat' or. Not every winmail.dat attachment. This article describes how either an Exchange Server administrator or end users can prevent the Winmail.dat attachment from being sent to Internet users when. The Winmail.dat file contains Exchange Server. What is the WinMail.dat file attached to my incoming emails? Printer Friendly Version. What is this winmail.dat file? Netscape Messenger, and other email programs will receive the attachment called winmail.dat with the email. Recipients receive a winmail.dat attachment. Applies To: Outlook 2007, Less. Applies To: Outlook 2007. Recipients notify you that the e-mail message you sent appears to them as a message with an attachment called winmail.
![What Is A Winmail.Dat File Attachment What Is A Winmail.Dat File Attachment](http://cdn.osxdaily.com/wp-content/uploads/2016/04/open-winmail-dat-files-mac-os-x-12.jpg)
Tips on opening a winmail.dat file. Opening the Mysterious Winmail.dat. Advertisement. Search. may arrive with a winmail.dat attachment if your own mail program is not set up to handle mail in the Microsoft. To make matters worse, Outlook will also commonly pack other, regular file attachments in the winmail.dat file. Fortunately, you can get rid of winmail.dat altogether by making sure Outlook does not even try to send mail using RTF. Looking for a winmail.dat solution for your phone? Try our free app.
The file is not recognized by other email clients. Because of this, any attachments sent with the original message are not displayed in Thunderbird's message pane.
If you try to open winmail. Because this file is in a Microsoft proprietary Outlook/Exchange format, you may not have an application installed that can decode this file and display it. Even if your system is capable of displaying the file, it does not contain any useful information. To prevent this file from being attached to messages, the sender of the message (or their system administrator) can configure various options as described in this Microsoft Support Bulletin. There is also a Thunderbird add- on called Look. Out which tries to decode the TNEF attachment (winmail. Thunderbird's message pane.
This add- on is not provided or supported by Mozilla and its compatibility with future versions of Thunderbird is not assured. The best solution is to contact the message sender and inform them that their copy of Outlook is incorrectly configured as suggested in the Microsoft Support Bulletin.
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