The Magnifier is one of the assistive technology tools introduced with Microsoft’s New XBOX One Experience. The Magnifier allows you to zoom in on the text and images displayed on your screen.
How To Activate the Magnifier on the Xbox One
The first step is to activate the Magnifier tool on your console. Go to Settings > All Settings > Ease of access > Magnifier and toggle this feature On:
How To Zoom In/Out on the Xbox One
Zoom in/out with the Controller: Hold down the Xbox button of the controller until it vibrates. Press the View button and then use the left stick to move to the zoom selector to the desired area. Use the Right Trigger to zoom in and the Left Trigger to zoom out. Tap on B to exit the Magnifier.
Zoom in/out with a keyboard: Press the [Windows key] + [+] to enable the Magnifier. Use [Ctrl] + [Alt]+ [Arrow keys] to move to the desired area of the screen. Press a [Windows key] + [+] to zoom in and a [Windows key] + [-] to zoom out. Use [Windows key] + [Esc] to exit the Magnifier.
The Magnifier can also be used during games. It makes it easy for people with visual imparities to read in-game instructions and hints.