Microsoft Excel Tutorial Courses
Excel 2003 | Excel 2007

Microsoft Excel Help and How to Guides
2003 | 2007

Microsoft Excel Demonstrations
2003 | 2007

Allen Wyatt’s Excel Tips
These tip sheets provide information on a wide array of topics for many of the Excel versions.

Online Practice Modules
While this is more K-12 teacher focused, there are some great tip sheets that might be helpful.

Excel 2007- A Practical Guide

MS Tips and Tricks: Create Excel 2007 Files- Tutorial for Beginners
Additional MS Tips and Tricks- for Beginners

Microsoft Excel in Pictures