Enjoy a fully installed Office experience across PCs, Macs, Windows tablets, iPad® and Android™ tablets, and most mobile devices. Each user can install Office on 5 PCs or Macs, 5 tablets (Windows, iPad, and Android), and 5 phones.
You can count 2-in-1 Windows devices, such as the Microsoft Surface Pro, as either a PC or a tablet.

Email and calendars
For subscriptions that do not include the fully installed Office applications: Users can connect the following versions of Outlook to their business-class email, so they can use the rich client application they already know: the latest version of Outlook, Outlook 2013, and Outlook 2011 for Mac. Previous versions of Outlook, such as Outlook 2010 and Outlook 2007, may work with Office 365 with reduced functionality. This compatibility with Outlook does not include the Exchange Online Kiosk or Office 365 Enterprise K1 plans.
Use business-class email through a rich and familiar Outlook experience you can access from your desktop or from a web browser. Get a 50 GB mailbox per user and send attachments up to 150 MB.
File storage and sharing
OneDrive for Business gives each user 1 TB of OneDrive storage that can be accessed from anywhere, on any device. Easily share documents with others inside and outside your organization and control who can see and edit each file.
Connect your teams with Microsoft Teams in Office 365, where chat, content, people, and tools live together, so your teams have instant access to everything they need.
Empower your firstline workforce with Microsoft Teams to plan schedules, assign tasks and connect to other work-related apps and resources.
Corporate social network
Yammer collaboration software and business applications allow your employees to connect with the right people, share information across teams, and organize around projects so they can go further, faster.
Intranet and team sites
Inform and engage your organization and connect people to content, expertise, and processes with team sites. Tell your story with beautiful communication sites.
Office Online
Create and edit Word, OneNote, PowerPoint, and Excel documents from a browser.
Work management
Planner makes it easy for your team to create new plans, organize and assign tasks, share files, chat about what you’re working on, and get updates on progress.
Professional digital storytelling
With Sway, a new Office 365 app, you can easily create engaging, interactive web-based reports, presentations, newsletters, trainings and more—right from your phone, tablet, or browser. Sways are easy to share and look great on any screen.
Intelligent search and discovery
Unlock creativity in your organization with search across Office 365 based on personalized insights. Discover content and expertise with the power of the Microsoft Graph, using your connection and collaboration patterns. Access intelligent search across a range of experiences, including SharePoint, Delve and Office applications.
Workflow automation
Build automated workflows between apps and services to get notifications, synchronize files, collect data, and more with Microsoft Flow.
Web and mobile app development
Quickly build and publish custom business apps for web and mobile with PowerApps. Choose from templates or start from scratch to extend your business data – no coding required.
Reliability
Get peace of mind knowing your services are available with a guaranteed 99.9% uptime, financially backed service level agreement (SLA).
Security
Cutting-edge security practices with five layers of security and proactive monitoring help keep customer data safe.
Administration
Deploy and manage Office 365 across your company, no IT expertise required. You can add and remove user in minutes.
Up to date
No need to pay for version upgrades; updates are included in your subscription. New features are rolled out to Office 365 customers regularly.
COMPONENT REQUIREMENT
Computer and processor Windows: 1.6 gigahertz (GHz) or faster, 2-core. 2.0 GHz or greater recommended for Skype for Business.
macOS: Intel processor
Memory Windows: 4GB RAM; 2 GB RAM (32-bit)
macOS: 4 GB RAM
Hard disk Windows: 4.0 GB of available disk space
macOS: 10 GB of available disk space. HFS+ hard disk format (also known as macOS Extended or APFS)
Operating system Windows: Windows 10, Windows 8.1, Windows 7 Service Pack 1, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, or Windows Server 2008 R2
macOS: Office for Mac is supported on the three most recent versions of macOS. When a new version of macOS is released, the Office for Mac Operating System requirement becomes the then-current three most recent versions: the new version of macOS and the previous versions.
Product functionality and feature availability may vary on older systems. For the best experience, use the latest version of any operating system specified above.
Browser The current version of Microsoft Edge, Internet Explorer, Safari, Chrome, or Firefox.