This is the example document showing the behavior.
Logic Final Exam 2018.odt (application/vnd.oasis.opendocument.text), 183.15 KB, created by Rob Frohne on 2018-12-11 17:15:58 UTC
(hide)
 
Creator: Rob Frohne
Created: 2018-12-11 17:15:58 UTC
Size: 183.15 KB

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

Download the attachment.

Actions: View
Attachments on bug 122027: 147447