test file with described problem
test.ods (application/vnd.oasis.opendocument.spreadsheet), 17.32 KB, created by Mario on 2012-02-08 06:49:55 UTC
(hide)
 
Creator: Mario
Created: 2012-02-08 06:49:55 UTC
Size: 17.32 KB

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

Download the attachment.

Actions: View
Attachments on bug 40947: 56751