What are the differences between a Hotmail and a Gmail account? Microsoft accounts are used to sign in to services such as, OneDrive, Xbox Live, and Windows 10. The account that I am associated with is my Microsoft account. Credit: You can use a Microsoft account to access a variety of Microsoft devices and services, including (also known as, msn.com, ), Office Online apps, Skype, OneDrive, Xbox Live, Bing, and many more.