What is cloud sevices
A cloud service is any service made available to users on demand via the Internet from a cloud computing provider’s servers as opposed to being provided from a company’s own on-premises servers
Office 365
Office 365 refers to subscription plans that include access to Office applications plus other productivity services that are enabled over the Internet (cloud services), such as Exchange Online hosted email for business, and additional online storage with OneDrive and Skype world minutes for home.”
Storage
Storing your files in the cloud has many advantages. You can view your files from any phone, tablet or computer that’s connected to the Internet, and the cloud can also provide backup for files so they’ll never disappear if your phone gets lost or your computer crashes.