To add the ability to export Excel charts to scalable vector graphic (SVG) files is a high priority in Toolbox development. However, even though I have started to write some code, it will take a very long time before it is usable due to time constraints at my end.
This is a companion discussion topic for the original entry at https://www.xltoolbox.net/blog/2014/02/export-excel-charts-to-svg-files.html