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https://support.microsoft.com/en-us/account-billin…
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
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microsoft.com
https://support.microsoft.com/en-us/account-billin…
Sign in using Microsoft Authenticator
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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https://support.microsoft.com/en-us/account-billin…
About Microsoft Authenticator
Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN. You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts.
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https://support.microsoft.com/en-us/account-billin…
How to add your accounts to Microsoft Authenticator
Review the Accounts page of Authenticator on your device, to make sure your account information is right and that there's an associated verification code. For additional security, the verification code changes every 30 seconds preventing someone from using a code multiple times.
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https://support.microsoft.com/zh-cn/account-billin…
下载Microsoft Authenticator - Microsoft 支持
注意: Microsoft Authenticator 不适用于电脑或 Mac,因为出于安全原因,验证器应用通常用于智能手机。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 从 2025 年 7 月开始,Authenticator 中的自动填充功能将停止工作,并且从 2025 年 8 月起,密码将不再可在 ...
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https://support.microsoft.com/en-us/office/use-mic…
Use Microsoft Authenticator with Microsoft 365
Use Microsoft Authenticator with Microsoft 365 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. It's just one click instead of typing in a 6-digit code. And if you travel, you won't incur roaming fees when you use it.
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microsoft.com
https://support.microsoft.com/en-gb/account-billin…
About Microsoft Authenticator - Microsoft Support
Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN. You can use Authenticator to sign in to your Microsoft personal, work, school or other accounts.
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microsoft.com
https://support.microsoft.com/en-us/account-billin…
Microsoft Authenticator FAQs - Microsoft Support
Microsoft Authenticator is not available for desktop computers because authenticator apps are typically designed for smartphones for two main reasons: Security: Having the second factor of a security question on a separate device enhances security. If both factors (password and authentication) are on the same device, it would be easier for an attacker to compromise both. Availability: Mobile ...
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https://support.microsoft.com/ja-jp/account-billin…
Microsoft Authenticator のダウンロード - Microsoft サポート
Microsoft では、1 年以上前の Authenticator バージョンはサポートされなくなりました。 常にデバイスを最新の状態に保ちます。 2025 年 7 月以降、Authenticator のオートフィル機能は動作を停止し、2025 年 8 月から Authenticator でパスワードにアクセスできなくなります。
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https://support.microsoft.com/ja-jp/account-billin…
Microsoft Authenticator について - Microsoft サポート
Microsoft Authenticator は、パスワードを使用せずにすべてのアカウントにサインインするのに役立つ無料アプリです。指紋、顔認識、または PIN のみを使用します。 Authenticator を使用して、Microsoft の個人、職場、学校、またはその他のアカウントにサインインできます。