Find the information you need to build, run, grow, and support your small business in Microsoft 365.

If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

To control location for just your user account, switch the Let apps access your location setting On or Off.If "Location services is off" appears on the settings page, you won't be able to turn on the Let apps access your location setting for an individual user account.

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

2. Fill out the form using a recognized device and location. If possible, complete the form using a device you previously used to sign into your account and at a location where you commonly use that device and that we'll recognize, such as your home or office.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

如何在 Microsoft Edge 中停止网站通知. 可以通过以下方式删除或阻止单个网站的通知： 在 Edge 设置中删除或阻止通知