Example spreadsheet showing the problem.
Test.xls (application/vnd.ms-excel), 6.50 KB, created by KarlM on 2012-12-06 19:34:47 UTC
(hide)
 
Creator: KarlM
Created: 2012-12-06 19:34:47 UTC
Size: 6.50 KB

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

Download the attachment.

Actions: View
Attachments on bug 57955: 71092