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.

Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof Intelligence from Microsoft 365 Advanced Threat Protection and Exchange Online Protection help prevent phishing messages from reaching your Outlook inbox.

Select Sign in from another device. On the remote screen, open the Sign in to your account page and enter the code that you see in Authenticator. On your remote screen, sign in using your work or school account credentials.

A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11.

Find solutions to common problems or get help from a support agent. By pressing submit, your feedback will be used to improve Microsoft products and services. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

The authenticator app will send a notification to your mobile device as a test. On your mobile device, select Approve. On your computer, add your mobile device phone number to the Step 3: In case you lose access to the mobile app area, and then select Next.

For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.

Repair an Office application. Excel for Microsoft 365 Word for Microsoft 365 Outlook for Microsoft 365 More... If a Microsoft 365 application such as Word or Excel isn’t working correctly, sometimes restarting it will fix the problem. If that doesn’t work, you can try repairing it.