Always up-to-date desktop & mobile versions of Office apps: Outlook, Word, Excel, Power Point, One Note (plus Access & Publisher for PC only). Web versions of Word, Excel, & Power Point. File storage & sharing with 1 TB of One Drive cloud storage. One license covers fully installed Office apps on 5 phones, 5 tablets, & 5 PCs or Macs per user. Compatible with Windows 10, Windows 8.1, Windows 7 Service Pack 1, & the two most recent versions of mac OS.