The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

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使用 Authenticator 作為登入方式 如果您已啟用無密碼、兩步驟或多重驗證，請依照以下步驟登入： 請前往你想登入的網站。 在登入提示輸入你的使用者名稱，然後選擇 「下一頁」。 選擇 「發送通知」。

Need help setting up an Xbox profile or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.

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Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.

Whenever you access, change personal info in, or add new contact info to your Microsoft account, we generate a security code and send it to either an email address or a device number in your account security info. You're then prompted to enter that code to confirm the change. Generally, it only takes a few moments to receive the code.