How to customize the arrows in your Connections Globe If you wish to change the appearance of the connecting arrows, it is very easy to do so. 1 In Preview mode, head over to Design. There, you’ll be able to change the colour of the arrows. 2 Also customisable is the colour of the highlight effect being displayed on hover. 3 Regarding the width of the arrows, you can customise that by heading over to Data & arrows and increasing or decreasing the Arrow scale value.