Activate Office - Microsoft Support
网页Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.
Office is now Microsoft 365
网页The Office app for Windows 10 and 11 is now the Microsoft 365 app. The Office app for mobile is the Microsoft 365 mobile app. If you're using the free apps , including Word for the web, Excel for the web, and PowerPoint for the web, you'll still be able to use them.
Unlicensed Product and activation errors in Office - Microsoft …
网页If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.
Manage your Microsoft 365 subscription or Office product
网页You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts. Choose your account type.
Using product keys with Office - Microsoft Support
网页To buy a brand new copy of Office, or start a new Microsoft 365 subscription, you can buy an Office product key card from a retailer. You can redeem your key at https://microsoft365.com/setup to set up your Microsoft account and install Office.
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
网页Select File > Get Add-ins. Alternatively, you can also view your add-ins directly from the Home tab by selecting Add-ins. You can directly install add-ins from this page or select More Add-ins to explore. In the Office Add-ins dialog, select My Add-ins tab.
Sign in to Office - Microsoft Support
网页Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive. How you sign in to an installed Office app depends on your device.
About Office: What version of Office am I using? - Microsoft …
网页Learn how to check what version of Office your using. Find your product name and version number of Office apps.
Install Office updates - Microsoft Support
网页Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
Microsoft 365 Quick Starts
网页Training: Get started quickly on all of your favorite Microsoft 365 apps with our popular Quick Start guides.
Fixes or workarounds for recent Office issues - Microsoft Support
网页If you are recently running into installation, activation, or updating issues, please refer to our Fixes or workarounds for recent Office installation or activation issues article. For Office apps specific issues, please click on the links below to find workarounds or fixes.