A control panel found on Macintosh computers that allows the user to easily review and enable or disable specific extensions and control panels. This is important because not all extensions and control panels are compatible with one another, which can cause erratic computer operation or crashes. Additionally too many active extensions can eat up computer resources such as RAM and CPU Cycles (which effects the overall speed of the system), not to mention causing it to take longer for the computer to load them all on boot-up. Extension Manager makes it easy to create different “sets” of extensions for different tasks. One may have a set for when the computer is used as a DAW, a different set for playing games, and another set for office work.