Camtasia 3 -

Adding and animating text in Camtasia 3 (released in 2016) introduced significant updates to the workflow, most notably the "Behaviors" feature for easier animations.

You can add captions for accessibility, though in older versions like Camtasia 3, it is often treated as a separate workflow from standard text callouts. Camtasia 3

To add a border to your text, you can apply a "Border" visual effect and check the "Use Alpha" box in the properties to ensure it outlines only the letters rather than the entire bounding box. Adding and animating text in Camtasia 3 (released