Font 
The Font tool
specifies the font, font style, and size of text comments.
To specify the font:
On the Markup
tab in the Options
dialog box, click Font
.
Specify:
Font.
Font Style.
Select Regular, Italic,
Bold, or Bold
Italic.
Size.
The SolidWorks eDrawings Viewer calculates a default based on model size, which you
override by setting this size.
Sample.
Displays several characters in the selected font.
Script.
Some fonts include a choice of alphabet.
Click OK.
Select one of the Apply
changes to options and click OK
again.