To get noticed. If you don't undertand shortspeak. Create a protype title, select the text and create an outline. My results don't show much of an outline until I get to 7+
This might depend on the font, text size, text color, background color, outline color and the project and preview size and - preview quality.
I can see the outline with having set the thickness to 0,01. For this test font is Arial, size 2, text color grey, background is green, outline color is red. Project is set to 1440x1080 and preview is set to Best/Full.
Yes, I incorrectly said outline and should of said stroke. The font size is 2.0 and can't seem to get any good results unless I max out the stroke. I am using under cause over looks odd to me, as it takes too much of the origional font.