Use complex fonts

Select the text whose appearance you want to change.
On the Format menu, click Font, and then click the Font tab.
Choose the font characteristics in the set of controls that applies to the language type of your selected text.

Notes

The default font for all runs is Times New Roman at 12 points. Documents opened from Microsoft Word 2000 and earlier will retain their default settings.
To give right-to-left and left-to-right text different font characteristics, you must separately select and set the characteristics for each type of text.

On the Tools menu, click Options, and then click the Complex Scripts tab.
Select the Diacritics check box.
Select the Different color for diacritics check box, and select the color you want.