Windows that are being shared have a border around them in the color that's assigned to every participant on a CoScreen. One exception are popups that might be opened by an app you share (which should have a border) which don't always get borders.
Windows that are being shared have a border around them in the color that's assigned to every participant on a CoScreen. One exception are popups that might be opened by an app you share (which should have a border) which don't always get borders.