In previous blog entries, the expression “cloud” has often been used, and as it has been already stated, it refers to a friendly way of describing web-based computing services that are hosted outside of an organization. This means that when an user has been provided with cloud-based services, the entire IT infrastructure is located outside its property, and hosted and maintained by a third party. This brief description allows me to introduce you to Office 365 as guest of honor of the following set of articles. In fact, Office 365 information storage, computation, and software are located and managed remotely on servers owned by Microsoft. Many services you use every day are a part of the cloud, and since its infrastructure is located online or "in the cloud," you can access them virtually anywhere, from a PC, tablet, smartphone, or other device with an Internet connection.