Quick, clean, and to the point

Move to next pane

Windows shortcut 
Mac shortcut 

Move to the next pane in a worksheet that has been split. On Windows, F6 and Shift-F6 will also move between the worksheet, the status bar, and the ribbon.

Internet is full of excel websites with excel classes but I have to say none of them is well made (at least for me). This instead is really great. It's now saved as first page in my browser... -Luca
Excel foundational video course
Excel Pivot Table video training course
Excel formulas and functions video training course
Excel Shortcuts Video Course
Excel Charts video training course