Word changes the layout direction of the text, which is how the text is horizontally changed to vertical, as follows:
1, select the text you want to change the direction. right mouse button--text direction. The following figure:
Note: There is an application next to, you can choose to apply to selected text, or you can apply to whole document.
2, insert WordArt. Right--Set the WordArt format--layout--to float above the text. At the Green point where it appears, you can rotate the text. The following figure:
Of course, the WordArt toolbar also has the text direction of the button, you may wish to try.