Use
this dialog box to select a substitute font for the fonts that are
not available on your computer. After you select the substitute
fonts or accept the default, the document will display using those
fonts.
This dialog box displays when you open a form containing fonts
that are not on your computer.
Font Substitution
Each missing font is displayed.
Change Substitute Font
If you do not want to use a default font, click this button
to select a different one.
Permanently Replace Unavailable Fonts
By selecting this option, the available substitute fonts
that you specify will permanently replace missing fonts.
Show This Only If Fonts Do Not Have A Substitution
Defined
Shows the Missing Fonts dialog box if one or more fonts do
not have a substitution defined.