Example SmartArt that shows the problem
SmartArt.docx (application/vnd.openxmlformats-officedocument.wordprocessingml.document), 78.20 KB, created by Luke on 2018-03-19 16:54:46 UTC
(hide)
 
Creator: Luke
Created: 2018-03-19 16:54:46 UTC
Size: 78.20 KB

Attachment is not viewable in your browser because its MIME type (application/vnd.openxmlformats-officedocument.wordprocessingml.document) is not one that your browser is able to display.

Download the attachment.

Actions: View
Attachments on bug 116483: 140718