The Excel tutorial video below contains 11 short lessons:

1: Excel interface 1: Starting excel, title bar, window control, file tab

2: Excel interface 2: The ribbon, groups, Commands, Dialogue

3: Excel interface 3: Quick Access Toolbars Status bar, Zoom, Scroll bar

4: Excel interface 4 : Formula bar, parts of the spreadsheet, rows, columns, cells, mouse pointer, sheet tabs

5: Entering data

6: Editing data

7: Formatting data 1: Alignment, cell ranges, bold, italic, underline

8: Formatting 2: Font, font size, Resize rows and columns, colours

9: Basic Math 1: How formulas work, Basic math operators

10: Basic Math 2: Add multiple cells, average, order of operations

11: Save, load, print

The narration is a little robotic but this is a useful tutorial for understanding some basics.