Sample Winmail Dat File
What is the winmail.dat attachment? When people send messages from incorrectly configured Microsoft Outlook email clients, a file attachment called winmail.dat may be added as an attachment to the message. This file contains formatting information for messages that use Microsoft's proprietary TNEF standard and any attachments sent with the original message.
C# - Parse winmail.dat (TNEF). To parse winmail.dat (TNEF stream) file. Before you can use the following sample codes. Download Software Play Metal Mayhem World Tour Hacked on this page. Rowa Digital Software.
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.dat, you will probably be prompted to specify the application that should be used to open the file.
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.