Today I had to spend a several minutes just to find a proper tutorial about how to create a Gantt chart in Excel 2007 (most of them concerned only previous versions). When I found Microsoft’s official instructions, it turned out that they where incomplete and incorrect at some point. This video tutorial was the best I could find in my pursue (many thanks to Ralph Philips, its author):
[youtube=http://www.youtube.com/watch?v=HQwE0Xv1lAA]
Hope you find it useful.