Alt+Page Up/Down:

Move one screen to the right or left in a worksheet

Ctrl+End:

Go to the most bottom right used cell

Ctrl+Home:

Move to the beginning of a worksheet

Ctrl+Left/Right Arrow:

Move to the farthest cell left or right in the row

Ctrl+Page Up/Down:

Move to the previous or next worksheet

Ctrl+Up/Down Arrow:

Move to the top or bottom cell in the column

F5:

Go to any cell by pressing F5 and typing the cell coordinate or cell name.

Home:

Go to the leftmost cell in the current row (or go to the beginning of the cell if editing a cell)

Left/Right Arrow:

Move one cell to the left or right

Page Up/Down:

Move one screen up or down in a worksheet

Shift+Tab:

Go to the previous cell

Tab:

Go to the next cell

Up/Down Arrow:

Move one cell up or down