For a small monthly fee, you get access to the most up to date applications, Word, Excel, Outlook, PowerPoint, Access and lots of storage for files.
Many Office 365 plans also include the desktop version of the latest Office applications, which users can install across multiple computers and devices. The fully installed applications include: Word, Excel, PowerPoint, OneNote, Outlook, Publisher, and Access. (Publisher and Access are available on PC only.)
And you can install them across multiple devices, including PCs, Macs, Android tablets, Android phones, iPad, and iPhone. When you have an active Office 365 subscription that includes the desktop version of Office, you always have the most up-to-date version of the applications.