Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
How to recover a hacked or compromised Microsoft account
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.
My Account portal for work or school accounts - Microsoft Support
The My Account portal helps you to manage your work or school account by setting up and managing your security info, managing your connected organizations and devices, viewing how your organization uses your data.
Signing in with a passkey - Microsoft Support
To sign into your Microsoft account with a passkey, follow these steps whenever you get a sign-in prompt. Choose Sign-in options, or Other ways to sign in. Select Face, Fingerprint, PIN, or security key. Select your passkey from the list available.
Applies To: Microsoft account dashboard
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
Get help with your Microsoft account - Microsoft Support
Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.
Applies To: Microsoft account dashboard
Change the email address or phone number for your Microsoft account
Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.
How to create a new Microsoft account - Microsoft Support
A Microsoft account gives you access to Microsoft products and services with just one login. Notes: You can either use an email address you own as a Microsoft account, or create a new address by choosing "Get a new email address" or "Use your email instead" when you sign up.
Avoid and report Microsoft technical support scams
Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
输入 Office 产品密钥的位置 - Microsoft 支持
如果所购买的 Office 或 Microsoft 365 随附有产品密钥,请在你的产品所对应的下列网站中输入产品密钥。. 输入密钥后,便可以下载并安装 Office,或可以续订 Microsoft 365 订阅。. 提示: 通过业务助手获取技术专业知识。. 与我们的小型企业顾问联系,帮助使 Microsoft 365 ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com