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.
A Microsoft Exchange account is a work or school email account. The organization that gave you the Exchange email account has an IT department that is running a program named Microsoft Exchange Server. This server provides your email service. The people who operate your Exchange Server assigned a name to it.