The feature described in this Help topic is only available if support for the appropriate East Asian language is enabled through Microsoft Office Language Settings.
There are two possible directions of text flow: vertical and horizontal. This means that sometimes you need to format alphabet characters and numerals as horizontal text in the middle of a vertical text. This formatting is called Horizontal in Vertical text.
Only full-width characters are correctly set as horizontal in vertical text. Half-width characters, like numbers, are displayed as horizontal text rotated 90 degrees to the right. This feature is best used for small pieces of text such as dates.
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