I discovered the solution to the problem myself.
Problem solution.doc (application/msword), 23.50 KB, created by Gary on 2018-05-31 19:20:55 UTC
(hide)
 
Creator: Gary
Created: 2018-05-31 19:20:55 UTC
Size: 23.50 KB

Attachment is not viewable in your browser because its MIME type (application/msword) is not one that your browser is able to display.

Download the attachment.

Actions: View
Attachments on bug 117883: 142459