If you're having trouble remembering how to use excel, You can follow through this tutorial again!
Excel is an app for creating tables. You can visit google spreadsheet here!
Here is how to do stuff with it:
you can
double clicka cell to type stuff in it
you can hold and drag to select multiple row/columns
after selecting you can do the regular shortcut for copy/paste/cut
you can add borders to the table using this button on the top
you can change the length of the row by dragging here
you can add pages here, double click to rename it
Once you're done you can save the file!
It will automatically save the changes you made to the cloud, But for this specific case you will need to download it:
You can now use excel!, hopefully it's not too overwhelming ^-^.
If it is then you can refer to this anytime you want!