Article ID: 979046 - View products that this article applies to.
You follow the Microsoft Knowledge Base (KB) 958881 article to configure the BypassOwaHtmlAttachmentFiltering option on a Microsoft Exchange Server 2007 server. However, you still cannot save some attachments successfully by using Outlook Web Access (OWA). Those affected attachments are saved as empty. This problem occurs when the attachments contains HTML content. However, the file name extensions of the attachments are not .html or .htm.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2407025/ )Description of Update Rollup 2 for Exchange Server 2007 Service Pack 3
After you apply this fix and set the BypassOwaHTMLAttachmentFiltering option to True, you have to set the file name extensions of the HTML attachments in the Force Savelist. To do this, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/958881/ )All HTML content in attachment files of messages is run through an HTML filter when you open or save the attachment by using Outlook Web Access (OWA)
Article ID: 979046 - Last Review: December 14, 2010 - Revision: 2.0