Use Embedded Fonts
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"> <mx:Script> [Embed(source="a.TTF", fontName="MyVerdana")] private var _verdana:Class; </mx:Script> <mx:Label text="i have no custom style." /> <mx:Label text="i have verdana style!" fontFamily="MyVerdana" /> </mx:Application>