Get always up-to-date Office apps–like Word, Excel, PowerPoint, Outlook, & OneNote–that you know và trust.

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Install 365 on your Mac, PC, tablets, and phones. With full versions installed on your PC or Mac, there’s no need for an mạng internet connection khổng lồ access documents.


Collaborate, coauthor, & cốt truyện with 1 TB of OneDrive sầu cloud storage per user. Access all your docs, photos, & videos whenever—& wherever—you need them.

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Office 2019 includes apps such as Word, Excel, PowerPoint, & Outlook.

See system requirements for compatible versions of Windows & macOS, and for other feature requirements.

You don’t need to lớn be connected lớn the internet to use Office apps, such as Word, Excel, and PowerPoint, because the apps are fully installed on your computer.

However, internet access is required to lớn install and activate all the latest releases of Office suites và all 365 subscription plans. 365 plans also require mạng internet access khổng lồ manage your subscription account (for example khổng lồ install Office on other PCs or to lớn change billing options) and to access documents stored on OneDrive, unless you install the OneDrive sầu desktop phầm mềm.

You should also connect to the mạng internet regularly lớn keep your version of Office up khổng lồ date and benefit from automatic upgrades. If you don’t connect lớn the mạng internet at least every 31 days, your apps will go inlớn reduced functionality mode, which means you can view or print documents but can’t edit them or create new ones. To reactivate your Office apps, reconnect to the mạng internet.

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Will I still have control of my documents with 365?

Yes. Documents you’ve created fully belong khổng lồ you. You can store them online on OneDrive sầu or locally on your PC or Mac.

If you cancel your subscription or it expires, you can still access and tải về all your files by signing in lớn OneDrive sầu directly using the tài khoản you used to phối up 365. You vị lose the additional storage that comes with your subscription, so you must save your files elsewhere or buy more OneDrive sầu storage if your OneDrive account exceeds the không lấy phí storage quota.

When would my subscription start?

If you purchase an autorenew subscription, your subscription starts when you complete your purchase. You can purchase autorenew subscriptions from,, and select retailers. If you purchase a prepaid subscription, your subscription starts when you activate your subscription và land on your My Account page. You can purchase pre-paid subscriptions from a retailer or reseller, or a support agent.

How vì I tóm tắt 365 with the rest of my household?

To add someone lớn your subscription, visit the My Account page and follow the onscreen instructions khổng lồ add a user. Each person you add will receive sầu an email with the steps they need khổng lồ follow. Once they have accepted & completed the steps, their information, including the installed appsthey"re using, will appear on your My Account page. You can stop sharing your subscription with someone or remove sầu a device they"re using on the My Account page.

What is “the cloud”?

“The cloud” is a friendly way of describing web-based computing services that are hosted outside of your trang chính or organization. When you use cloud-based services, your IT infrastructure resides off your property (off-premises) và is maintained by a third buổi tiệc ngọt (hosted), instead of residing on a hệ thống at your home page or business (on-premises) that you maintain. With 365, for example, information storage, computation, & software are located & managed remotely on servers owned by Many services you use every day are a part of the cloud—everything from web-based email to sản phẩm điện thoại banking và online photo lớn storage. Because this infrastructure is located online or “in the cloud,” you can access it virtually anywhere, from a PC, tablet, điện thoại thông minh, or other device with an internet connection. Office resources

Office 2021 support

Find tài khoản support, app training, and usage tips.

Learn more

Other versions of Office

Learn about other versions of Office và how you can upgrade to lớn the new 365.

Office 2007
Office 2010
Office 2013
Office năm nhâm thìn

Download Office 2019

To tải về & install Office 2019 for a single PC or Mac go toMyAccount.


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