You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

提示: 如果使用移动数据，请尝试切换到 Wi-Fi 反之亦然。 确保飞行模式处于关闭状态。 请确保使用的是最新版本的 Authenticator - Microsoft不支持任何超过 12 个月的应用版本。 点击 “设置” ，并确保“ 应用更新 ”已打开。 获取最新消息。 点击 “设置” ，然后选择“ 关闭电池优化 ”以提高同步 ...

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

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.

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 ...

Learn how to change your gamerpic, including how to upload a customized image for your profile from your Xbox console.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Choose your alternative verification method, and continue with the two-step verification process. After you're back in your account, you can update your verification methods (if necessary). For more info about add or changing your methods, see the Manage your settings for two-step verification article. Next steps Learn about your security info in the Security info (preview) overview article ...

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...