There is no built in option for that with the Excel export in Buttons I'm afraid. You could do it using the customize callback and reading through the Open Spreadsheet documentation to understand how to embed images into the file, but it would require a little bit of work.
Answers
There is no built in option for that with the Excel export in Buttons I'm afraid. You could do it using the
customize
callback and reading through the Open Spreadsheet documentation to understand how to embed images into the file, but it would require a little bit of work.Allan