If you get the message saying that you're trying to access your organization's sites from an unsupported browser, check which browser you're running. To fix this problem, you must install and run a supported browser, based on your operating system.

注意: 此内容可帮助你使用工作或学校帐户。 如果在个人Microsoft帐户上遇到验证码问题，请参阅 验证码问题疑难解答。

請依照此頁面上的步驟變更Microsoft帳戶電子郵件地址或電話號碼， (也稱為您用來登入的帳戶別名或用戶名稱) 。

If you've tried these steps but are still running into problems, contact your organization's Help desk for assistance. If you're an admin for Microsoft Entra ID and need more support, contact global support phone numbers.

取得您用於 Microsoft 之帳戶的說明。 瞭解如何設定 Microsoft 帳戶、保護它，以及如何使用它來管理您的服務和訂閱。

Important: If you leave an organization by mistake, there's no way to undo it. You'll have to wait for the administrator of that organization to invite you again.

另请参阅 删除登录验证方法 更改你的 Microsoft 帐户的电子邮件地址或电话号码 将电子邮件地址或电话号码添加到Microsoft帐户 需要更多帮助吗？ 无法登录？ 如果无法登录到 Microsoft 帐户，大多数问题都可以通过我们的登录助手工具来识别。 登录助手 联系支持人员 如需技术支持，请转到“ 联系 ...

To increase the security of your work or school account, your organization may require two steps to sign in. You may not be able to turn this setting off, but you can choose which devices are set up to help you sign in.

Microsoft 支援服務在此協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的使用方法文章、影片和訓練。

If your organization is using multi-factor authentication (MFA) for Microsoft 365, the easiest verification method to use is the Microsoft Authenticator smart phone app.