File to reproduce the bug
TEST.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet), 7.97 KB, created by Jan on 2014-11-03 16:27:53 UTC
Creator: Jan
Created: 2014-11-03 16:27:53 UTC
Size: 7.97 KB

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

Download the attachment.

Actions: View
Attachments on bug 57176: 32184