Extend your Mac's display onto a smaller, portable screen, by using your iPad as a secondary monitor and the Duet Display application for OS X and iOS.

It's easy to use your iPad as an extra screen for your Mac. Here's how to connect your Mac and iPad so you can use the iPad as a second screen.

If one screen isn't enough to display everything you need at once, consider getting a second. Here's how to manage multiple screens in macOS.

Now that MacOS Catalina has released (here's how to install it), you can officially use your iPad as a second screen to your Mac. Before Apple Sidecar was an iPad feature, it was best known as a ...

With macOS Catalina's Sidecar feature, your iPad can be a second display for your Mac. You'll need a relatively recent Mac, but here's how to set it up and use Sidecar.

Duet Display lets you use any Android device as a second screen for your Mac, whether wired or wireless, giving you extra space for multitasking.

While it may take a little bit of work, you can use your Android device as an additional monitor for your Windows PC. Here's how to do just that.

In my case, I can then right-click on one of my monitors and select whether I want to clone the display (what appears on the primary appears on the other) or extend the display—the setup you ...

Select how you want the screen to be displayed. Choose Extend if you want your laptop to act as a true second monitor that gives you additional screen space for productivity.

Follow our how to guide on how to use ScreenSlider Android App to use your Android phone or tablet as an extended display for your pc/mac.

Use this option sensibly, however, and you will find learning how to extend your screen lockout time on iPhone becomes very useful indeed.