I use this file to add cells with comments
prod_export_tpl.xlsm (application/vnd.ms-excel.sheet.macroEnabled.12), 19.68 KB, created by Evgenii Balakhonov on 2017-11-06 13:18:24 UTC
Creator: Evgenii Balakhonov
Created: 2017-11-06 13:18:24 UTC
Size: 19.68 KB

Attachment is not viewable in your browser because its MIME type (application/vnd.ms-excel.sheet.macroEnabled.12) is not one that your browser is able to display.

Download the attachment.

Actions: View
Attachments on bug 61728: 35497 | 35498