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

Before you can use Authenticator as a way to sign in, you need to download the app and have already added Authenticator to your accounts. Starting July 2025, the autofill feature in …

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically …

When you sign into the account for the first time on a new device or app (like a web browser) you need more than just the username and password. You need a second verification method - …

Multi-factor authentication (MFA) helps you to access your accounts more securely. It's a way to prove that you are who you say you are. Because passwords can be forgotten, stolen, or …

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.

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 …

Open your device's Settings app. Select General then Storage. Select Authenticator in your app list. Tap on Offload App. Important: There is no undo. All accounts will be removed, and you …

To get around this problem, you can create an auto-generated password to use with each non-browser app, separate from your normal password. Important: Your administrator may not …