/System/Library/CoreServices/Applications/Screen Sharing.app/Contents/MacOS/Screen Sharing Screen Sharing is a utility that may be used to control remote computers and access their files. To connect, one may enter a VNC or Apple ID and authenticate as a local user on the remote computer, or, if the computers are linked via the same Apple ID, automatically initialize the connection. It supports features such as a shared clipboard between the two computers and remotely transferring files.