XWEB: The Exchange Web Client Cannot Open Attached Mail Messages

This article was previously published under Q172902
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When you use the Microsoft Outlook Web Access client and attempt to open anattached mail message, you receive the following error message
The attachment is a type not yet supported
and the attached message does not open. The Outlook Web Access client doesnot currently support opening attached mail messages that are in MSG fileformat. All attached messages will open correctly in the Exchange andOutlook clients.
The Outlook Web Access client does not currently support opening anattached mail message which is in the MSG file format.
You can use the Exchange Windows 3.x, Exchange Windows NT, or ExchangeWindows 95 clients and the Outlook Windows 95 or Outlook Windows NT clientsto successfully open attached mail messages.
Microsoft has confirmed this to be a problem in Microsoft Outlook WebAccess, version 5.0. We are researching this problem and will post newinformation here in the Microsoft Knowledge Base as it becomes available.

Article ID: 172902 - Last Review: 01/09/2015 07:18:23 - Revision: 3.3

  • Microsoft Outlook Web Access 5.5 SP 1
  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange Server 5.5 Service Pack 2
  • Microsoft Exchange Server 5.5 Service Pack 3
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