It gives you the option to adjust the size of screen. Note: If you want to share only a small part of the screen then select “Share selection”. Go to Call- Share Your Screen- Share Full Screen. You will either get a Skype notification directing you to Settings, or you will need to grant Skype access for Screen Recording in macOS Catalina System Preferences. If you’re using Skype for Mac on macOS 10.15 (Catalina), Skype requires access to Screen recording in the Mac System Preferences to share your screen during a call.
