WinMail Decoder is a utility you can use in conjunction with your e-mail program. When you receive a message from a user who has 'mistakenly' sent you a message in Microsoft Outlook RTF format, you will receive the normal message text along with an attached file named 'winmail.dat', The winmail.dat file contains a rtf file formatted version of the email message and attached files. WinMail Decoder will scan the selected winmail.dat file for attachments and save them as files to your hard disk.

WinMail Decoder is easy to use. To install, unzip, copy the file WinMailDecoder.exe to your desktop. To use, just drag & drop a WINMAIL.DAT file onto it to extract the attached files.