連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

了解如何恢复遭到黑客攻击或受到威胁的帐户、接下来应执行的操作以及如何防止帐户在将来再受到威胁。

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。

Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...

Sign in using Microsoft Authenticator Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

摘要 本文解釋了為什麼 Microsoft 的驗證碼不一定能送達。 其中包含最常見的原因清單，以及每種原因的解決方案。 Microsoft 致力於推動安全標準，因此我們將開始逐步淘汰 SMS 作為個人 Microsoft 帳號驗證與帳號恢復的方法。 驗證碼不一定能及時送達的原因 請閱讀以下最常見的原因清單，看看是否有 ...

These steps will help guide you when filling out the account recovery form.

If you see a message that says "Let's protect your account" or "Help us secure your account", it's because we need you to add some information to your account to verify that it's really you trying to sign in. We will ask for an email address or phone number that we can send a verification code to. It doesn't have to be your email or phone number - you just need to be able to access it to ...

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 you receive a suspicious message from an organization and worry the message could be legitimate, go to your web browser and open a new tab. Then go to the organization's website from your own saved favorite, or via a web search. Talk to them using official numbers or emails from their site.