ToggleKeys 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 togglekeys. In the case of the Caps Lock key, a user could either enable or disable the keyboard to type in all uppercase.
2. This also 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.
Tip: ToggleKeys can be toggled on and off through the Accessibility Options or Ease of Access Center in the Windows Control Panel.