Toggle keys may refer to any of the following:
1. Term used to describe a computer keyboard button with one or more functions. For example, the Caps Lock, Num Lock, and Scroll Lock keys are all toggle keys. In the case of the Caps Lock key, a user could either enable or disable the keyboard to type in all uppercase.
2. ToggleKeys is a Microsoft Windows accessibility feature that causes Windows to generate a tone or beep each time you press the Caps Lock, Num Lock, or Scroll Lock keys. ToggleKeys is helpful for users who mistakenly press these keys while typing.
ToggleKeys can be toggled on and off through the Accessibility Options or Ease of Access Center in the Windows Control Panel.