The information in this article applies to:
NOTE: These procedures only apply if you have installed Outlook with the Corporate Workgroup/Other option. This option allows you to use Messaging Application Programming Interface (MAPI) services. To determine your installation type, on the Help Menu click About Microsoft Outlook. In About Microsoft Outlook you should see "Corporate" if you have the Corporate Workgroup installation. SYMPTOMSWhen you use Microsoft Outlook 98 to send e-mail containing attachments through the Internet, some recipients using e-mail clients other than Outlook, report that the mail message includes an additional file called Winmail.dat. The file is usually very small, but cannot be opened in the mail message. CAUSEThe Winmail.dat file is used to preserve formatting that the sending client includes in the message, but is not recognized by the receiving client. In the case of Outlook, the Winmail.dat file includes Rich Text Formatting (RTF) instructions. This type of formatting is used with the Microsoft Outlook Rich Text Format and when using Microsoft Word as an e-mail editor. RESOLUTIONTo avoid including Winmail.dat, use the Plain Text mail format. To select Plain Text for all messages, follow these steps:
REFERENCESFor more information on RTF message formats, please see the following articles in the Microsoft Knowledge Base: Q185894 OL98: Attachments Not Visible to Some Recipients When Using TNEFFor more information on Winmail.dat attachments, please see the following article(s) in the Microsoft Knowledge Base: Q149203 XFOR: Preventing Winmail.dat From Being Sent Over IMC Additional query words: 98
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Last Reviewed: July 29, 1999 © 2000 Microsoft Corporation. All rights reserved. Terms of Use. |