Every Windows 10 device on which you’ve enabled sync stores its backups on your OneDrive account. These backups don’t use a lot of space, but if you’re using a free OneDrive account, every bit of space counts. Removing a device also removes its backups. To remove a device from your account, hit your web browser and sign in to your Microsoft account. Click the Devices menu and then choose “Your devices.”.
Windows 10 isn't just an operating system that works locally in your computer. It's also an operating system that works in combination with Microsoft online services such as with Bing and OneDrive. Furthermore, in Windows 8, the software giant introduced the Microsoft account, leaving the old time local account as a secondary option.A Microsoft account is a fairly new account type designed to allow users to connect across devices with a single username and password. When you sign in with a Microsoft account, all of your settings, passwords, people, documents, photos and videos, and music will roam with you everywhere to any device connected to a Microsoft service.We are no longer tied to a single device. We have multiple hardware, and every time we connect new devices with our Microsoft account, they get registered into our account.