Do your work
With Excel, you can enter data, and create tables, charts, and formulas. Click the tabs at the top to find the features you want.
To collapse the ribbon and make more space, double-click a tab.
To manually enter data:
Select an empty cell, such as A1, and then type text or a number.
Press Enter or Tab to move to the next cell.
To fill data in a series:
Enter the beginning of the series in two cells: such as Jan and Feb; or 2014 and 2015.
Select the two cells containing the series, and then drag the fill handle across or down the cells.