In Roman numerals, C stands for the number 100. This is based on the Latin word centrum, which means 100.. As of 2014, Roman numerals are still occasionally used, such as seen in the British monarch Queen Elizabeth II.
A Microsoft account is what you use for almost everything you do with Microsoft devices and services. Itâs an email address and password that you use to sign in to Skype, Outlook.com, OneDrive, Windows Phone, and Xbox LIVE â and it means your files, photos, contacts and settings can follow you to any device.
Your work or school account is different from your Microsoft account. Your Microsoft account is the one that you use for personal services like Xbox Live, Outlook.com, Windows 8, Windows Phone, and more.hen you sign in, you'll be asked to create your own password. Use it with your user ID every time you sign in to Office 365 for business. For more information about changing your password, including how to create a strong password, see Change your password.