To locate your product key online, see Get your Workplace Discount Program product key. If you bought Office Professional Plus, Visio Professional, or Project Professional through your employer's Microsoft Workplace Discount Program benefit, you'll need your product key to install Office on a PC. You can also enter the product key at There are a few exceptions where you'll need to do something other than sign in. You do not need to be connected to the Internet to use the Office apps, such as Word, Excel, and PowerPoint, because the apps are fully installed on your computer.Note: If you bought a new, unused Microsoft 365 product key card to renew an Microsoft 365 subscription or to buy your trial, you can enter that product key if Office prompts you for it. To reactivate your apps, simply reconnect to the Internet. If you do not connect to the Internet at least every 31 days, your apps will go into reduced functionality mode, which means that you can view or print your documents but cannot edit the documents or create new ones. You should also connect to the Internet regularly to keep your version of Microsoft 365 up to date and to benefit from automatic upgrades. Internet access is also required to access documents stored on OneDrive, unless you install the OneDrive desktop app. Note that if you are an existing subscriber, you do not need to reinstall or purchase another subscription.įor Microsoft 365 plans, Internet access is also needed to manage your subscription account, for example to install Office apps on other PCs or to change billing options. Internet access is required to install and activate all the latest releases of apps and services included in all Microsoft 365 subscription plans. How do I know if my PC or Mac can run Microsoft 365? You can choose to pay for your subscription on a monthly or yearly basis, and the Microsoft 365 Family plan lets you share your subscription with your family for up to 6 people, and use your apps on multiple PCs, Macs, tablets, and phones.

With a subscription, you'll always have the latest features, fixes, and security updates along with ongoing tech support at no extra cost.

You also get extra online storage and cloud-connected features that let you collaborate on files in real time.

Microsoft 365 includes the robust Office desktop apps that you’re familiar with, like Word, PowerPoint, and Excel. Microsoft 365 is a subscription that includes the most collaborative, up-to-date features in one seamless, integrated experience. However, there are no upgrade options, which means if you plan to upgrade to the next major release, you'll have to buy it at full price. One-time purchases are available for both PCs and Macs. Office 2021 is sold as a one-time purchase, which means you pay a single, up-front cost to get Office apps for one computer.

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