2026 年 8 月 27 日 - KB5120998 (OS 内部版本 26200.9278 和 26100.9278) 预览版
此适用于 Windows 11 版本 25H2 和 24H2 (KB5120998) 的累积更新包括生产质量改进。 公告和消息 本部分提供与此版本相关的重要通知，包括公告、更改日志和终止支持通知。 Windows 安全启动证书过期 重要提示： 大多数 Windows 设备使用的安全启动证书从 2026 年 6 月开始过期。 在过去的几个月里，Microsoft 一直 ...
Microsoft 365 にサインインする | Microsoft Support
デスクトップ アプリケーションまたは Web ブラウザーから Office または Microsoft 365 にサインインする方法について説明します。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
August 11, 2026-KB5120702 Cumulative Update for .NET Framework 4.8 for ...
The August 11, 2026 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative reliability improvements in .NET Framework 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements CVE-2026-65810 - .NET Framework ...
Game Bar Compact Mode | XBOX Support
Find out how to use Game Bar Compact Mode on small screens, handhelds, and when using a controller when playing XBOX games.
August 11, 2026-KB5120708 Cumulative Update for .NET Framework 3.5 and ...
The August 11, 2026 update for Windows 11, version 25H2 and Microsoft server operating system 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements ...
Microsoft Teams で会議に参加する | Microsoft Support
リンク、予定表、チャネル、チャット、または電話をかけて Microsoft Teams 会議に参加する方法について説明します。
Applies To:
Microsoft Teams
How do I remove my email account? | Microsoft Support
To remove your account, please follow these steps: Open Settings> Accounts, select the email account you would like to remove. Tap Remove Account.
Applies To:
Outlook for Android, Outlook for iOS
Frequently asked questions about Microsoft account age assurance
Microsoft is introducing age assurance to help provide age-appropriate experiences and meet local legal requirements. What is age assurance? Age assurance confirms that your account meets the minimum age requirement using approved methods to provide you with an age-appropriate experience. We use the process to: Keep our communities safe and welcoming. Follow the laws and regulations in each ...
Applies To:
Microsoft account dashboard
Cambiar la configuración del mouse | Microsoft Support
Obtén información acerca de cómo cambiar la configuración de los botones del ratón, la rueda del ratón y el puntero.
Add a hyperlink to a slide | Microsoft Support
Add a hyperlink that links to a place in the same presentation, a different presentation, to a web page or site, a new file, and even an email address.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint 2024, PowerPoint 2024 for Mac, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2016, PowerPoint for iPad, PowerPoint for iPhone, PowerPoint for Android tablets, PowerPoint for Android phones, PowerPoint Mobile