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Simplify your day Access all your Microsoft apps, services, and games with one account. Whatever you’re doing, wherever you are, just go.

With Microsoft 365, you can install Microsoft 365 or Office on all your devices and sign in to Office on five devices at the same time. This includes any combination of PCs, Macs, tablets, and phones.

Microsoft 365 includes everything you know in Office 365. Microsoft 365 is designed to help people and businesses achieve more with innovative apps, intelligent cloud services, and world-class security.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.