While Office 365 and Microsoft 365 may appear very similar at a first glance, they are not the same service. Where Office 365 is a service that provides cloud-based applications such as Office Apps (Word, Excel, PowerPoint, Outlook etc), SharePoint, Exchange and OneDrive. Microsoft 365 is a subscription that can include the features of Office 365 but includes more features tailored towards securing users’ devices and data. Most MS 365 subscriptions also include several useful add-ons such as Mailbox Backup and Yammer (Internal Social Media Platform for business).