With Excel 2007 I seem to remember that it was trivial to save a workbook as an interactive web page - unfortunately I no longer have 2007 and am on 2010.

This still allows a static web page to be published but the ability to make it interactive has disappeared - at least I can't find the little check box that used to switch this on.

I've also tried using Excel 2013 from the on-line MS Office area to no avail.

Does anyone know how?