The feature described in this Help topic is only available if support for Japanese, Simplified Chinese, Traditional Chinese, or Korean is enabled through Microsoft Office Language Settings.
Note The conversion to vertical text applies to all of the text within the selected placeholder. For example, if the placeholder you want to change contains both English and East Asian text, the text direction for all the text within the placeholder changes to vertical.
Tip
To change vertical text back to horizontal text, select the placeholder containing the text you want to change, and then on the Formatting toolbar, click Change Text Direction again.