Excel macro does not render objects (icons and shapes)

Issue Summary

When embedding an Excel document into a page in Confluence using the Excel macro, any added objects (such as icons and shapes) are not rendered properly.

Steps to Reproduce

1. Create an Excel document, inserting some icons and shapes.
2. Save
3. Attach to a page in Confluence.
4. Insert the Excel macro and use it to display the attached file.

Expected Results

1. Shapes should display as they are on the Excel document

Actual Results

The icons tend to be rendered as a solid square, and the shapes don't display at all:

Excel document:

Excel macro version:

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available