Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.

Find the right help and support for your Microsoft products, services, and solutions. Sign in to get self-help options, live chat with a specialist, or explore more support resources.

Learn how to use Microsoft Authenticator to verify or sign in to your accounts with your phone. Find out how to add personal, work, school, or non-Microsoft accounts to the app and choose different verification methods.

Learn how to activate Microsoft 365 or a non-subscription version of Office using a product key, a Microsoft account, or a trial. Troubleshoot activation errors and get help with Office.com/setup.

Learn how to use Microsoft Authenticator to sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless. You can also sign in to a work or school account using a remote computer with a code from Authenticator.

Learn how to set your preferred home page in different browsers, including Microsoft Edge, Internet Explorer, Google Chrome, Firefox, and Safari. Follow the steps for each browser to customize your home page settings.

Learn how to find, add, turn off, and remove extensions in Microsoft Edge, the browser for Windows 11 and Windows 10. Extensions are tools that customize your browser experience and offer you more control.

Learn how to locate your 25-character product key or digital license for Windows 10 or Windows 11 activation. See different scenarios and sources for your product key depending on how you got your copy of Windows.

Find out how to get help for Microsoft 365 products and services, depending on your subscription type and product version. Chat or request a call back from a technical support expert, or use the search box, the community forum, or the Microsoft Store for more information.

Microsoft Authenticator is a free app that helps you sign in to your Microsoft accounts with biometrics, PIN, or one-time codes. Learn how to use it for verification, two-step verification, or passwordless sign in.