Extending your desktop is also a great way to stay organized and have projects open while attending a video conference or webinar. If your office has a Mac connected to a larger display, you can extend your Windows desktop to use that larger display for your screen space. There are numerous reasons you may want to extend your Windows desktop to your Mac: At workĮxtending your desktop at the office is a great way to stay productive. With two screens, you can easily arrange open tabs, compare documents, multitask and much more. If you’re only using one screen for work, school or other projects, it can be hard to stay organized. It’s a quick and simple way to clear up your screen without extra monitors or confusing cables and adapters. Maximize your screen space by wirelessly extending your Windows desktop to a Mac.