File winmail.dat attached to device message instead of attachment
Doc ID : KB03820
Last Modified : 2006-11-15
Document Type : Support
Environment- BlackBerry® Device Software 2.6 (C++)
- BlackBerry Device Software 3.6 (Java™)
- BlackBerry Internet Service
- BlackBerry device
- Microsoft® Outlook® 97 and 2000
Problem
When you receive a message on the BlackBerry device, the option to open attachments is not available. A winmail.dat file is attached to the message instead of the original attachment.
Cause
BlackBerry Internet Service is not compatible with rich text format (RTF) messages created with Outlook 97 or Outlook 2000.An RTF message without an attachment sent from Outlook appears on the device as a plain text message with the winmail.dat file attached. An RTF message with an attachment sent from Outlook appears on the device as a plain text message with its attachment replaced by the winmail.dat file.RTF messages sent from other mail clients appear correctly on the device.
Resolution
To prevent Outlook from sending the winmail.dat file as an attachment in RTF messages, search the
Microsoft Support Knowledge Base for article 138053.
Workaround
Alternately, to avoid the winmail.dat attachment, configure Outlook to use the Plain Text mail format.
- In the Tools menu, clickOptions.
- Click the Mail Format tab.
- From the Send in the message format drop-down list, select Plain Text.