If you want to make the font bigger when composing an email click the font tool:
If you want to make the text on your screen bigger when using Yahoo Mail please see these directions:
Increasing the font size on your computer screen can help prevent eye strain and headaches | Email Questions
If you want to make the text on your screen bigger when using Yahoo Mail please see these directions:
Increasing the font size on your computer screen can help prevent eye strain and headaches | Email Questions
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