Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

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Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

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無法登入？ 如果您無法登入您的 Microsoft 帳戶，大部分的問題都可以透過我們的登入助手工具來識別。 登入助手 連絡客戶支援 如需技術支援，請前往 連絡 Microsoft 支援服務，輸入您的問題，然後選取 [取得協助]。 如果仍需要協助，請選取 [連絡支援服務] 以前往最佳支援選項。

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Important: With two-step verification, you always need two forms of identification. This means that if you lose your phone, your password alone won't get you back into your account. For that reason, we strongly recommend you have three different sign-in methods associated with your account.

準備好安裝 Microsoft 365或 Office 2024了嗎？ 開始之前，請確保您的 PC 或 Mac 符合 系統需求。 如果您已兌換產品金鑰、重新安裝應用程式，或您已透過公司或學校指派授權，您可以略過並移至「登入」區段 ，以下載並安裝 Microsoft 365 或 Office。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能 ...

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如果無法登入您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，或者您不確定如何登入或登出，這裡提供一些解決方案。 如何登入您的Hotmail 或Outlook.com帳號 要登入 Outlook.com 或 Hotmail，你需要你的Microsoft帳號使用者名稱和密碼。 登入 故障排除：無法登入 Hotmail 或 Outlook.com Microsoft 會始終關注不常見的 ...