Clicking the dashed rectangle icon to the left of the main record button dims the screen and allows you to draw a custom bounding box.
This multi-track isolation means that if you stumble over your words but your screen movement was perfect, you do not have to re-record the entire clip. You can simply delete or re-record the microphone audio track without affecting the smooth visuals of your screen capture. 🛠️ Standout Features in ScreenFlow 8.2
: If you are recording on a 5K iMac or a high-density Retina MacBook, your raw recording files will be massive. If your final output is only going to be 1080p (Full HD), consider lowering your monitor's display resolution before recording to save on CPU processing and disk space.