iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

Learn how to replace out of date security info to help protect your Microsoft account.

摘要 本文解释了为什么Microsoft中的验证码并不总是到达。 它包括最常见原因的列表以及每个原因的解决方案。 Microsoft致力于提高安全标准，因此，我们将开始逐步淘汰短信，作为个人Microsoft帐户的身份验证和帐户恢复方法。 验证码并不总是到达的原因 通读下面最常见的原因列表，看看其中是否有 ...

Hotfix update for Microsoft Exchange Server 2016 CU23 HU16 was released on May 29, 2025. It includes fixes for non-security issues and introduces new features. These fixes and features will also be included in later cumulative updates for Exchange Server 2019.

Uninstall from the Start menu Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings Select Start > Settings > Apps > Installed apps . Find the app you want to remove, select More > Uninstall.

In this article Summary Take Action altSecID attributes Timeline of changes Registry Settings Audit Events Event ID: 45 Event ID: 21 Known issue Summary The Windows security updates released on or after April 8, 2025, contain protections for a vulnerability with Kerberos authentication. This update provides a change in behavior when the issuing authority of the certificate used for a security ...

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery . For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help Key ...

摘要 如果无法在 Windows 11 中安装、卸载或更新桌面应用，则内置恢复选项和故障排除步骤可帮助解决常见问题，例如安装不完整或应用数据损坏。

Autofill on Microsoft Authenticator was discontinued in mid-August 2025 as part of Microsoft's efforts to streamline autofill. Although your saved passwords and addresses are no longer accessible in Authenticator, you can still use , view and manage saved passwords easily across devices in Microsoft Edge. When did the Authenticator autofill changes happen? In May 2025, app notifications were ...

PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。 お客様からのフィードバックを基に定期的に更新されており、Windows PC を最大限に ...