Alignment refers to the vertical and horizontal placement and the orientation of the text. Vertical alignment controls where the text is displayed vertically in the cellat the top, in the center, or at the bottom. Horizontal alignment controls whether the text appears left-aligned, centered, or right-aligned in the cell. Orientation allows you to rotate the text in a cell, changing the way it is displayed.
To change text alignment:
You can also use the formatting toolbar: