Microsoft 365 Apps is a version of Office that is available through many Office 365 (and Microsoft 365) plans. It includes the applications that you are familiar with, including Access, Excel, OneDrive, OneNote, Outlook, PowerPoint, Publisher, Skype for Business, Teams, and Word. You can use these applications to connect with Office 365 (or Microsoft 365) services such as SharePoint Online, Exchange Online, and Skype for Business Online.