I am going to endeavour to enthuse some more people into development of the new ribbon in Excel 2007 (well other applications too, but I will use Excel throughout). You will need a knowledge of XML and VBA, as these are the two technologies I will be using. I suspect it will take about 4 or 5 'sessions' to get up to some kind of understanding and I intend to cover the following: File Formats Dictator Applications Custom Tabs and the Office Menu Using Built-In Groups and Controls Using Custom...