Why can't I use breakout rooms in my Teams meeting? To see Breakout rooms in your meeting controls, you must be a meeting organizer of a scheduled private meeting, a Meet Now meeting, a scheduled channel meeting, or a channel Meet Now meeting. Additionally, you need to join the meeting from a supported Teams client for Windows (including VDI) or macOS. Linux, web, iOS, iPadOS, Android ...

Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows Server 2022. Security Improvements CVE-2026-62886 - .NET Framework Elevation of Privilege vulnerability This security update addresses an elevation of privilege vulnerability detailed in CVE-2026-62886. CVE-2026-69522 - .NET Framework Remote Code Execution vulnerability This security update ...

If you see error E101 when you try to update your XBOX console, this means there may have been a problem installing the update. Find more solutions here.

Learn how to use your XBOX Stereo Headset and troubleshoot any audio issues.

重要 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 一直在消费者和非托管商业设备上更新这些证书。 尚未收到较新证书的设备将继续正常启动和运行，标准 Windows 更新将继续安装。 在接下来的几个月里，更新的证书将继续通过 Windows 更新提供。 有关 ...

If you have a lot of business or personal contact information that you keep in a spreadsheet, you can import it straight into Outlook with just a little preparation. There are three major steps. Save your Excel workbook as a .csv file. Import your contacts. Map the Excel spreadsheet columns with the appropriate Outlook fields. Step 1: Save your Excel workbook as a .csv file Outlook can import ...

This Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5120994) includes security improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates. To ...

When you open a workbook that has been corrupted, Excel automatically starts File Recovery mode and attempts to reopen and simultaneously repair the workbook.

Microsoft Office アップロード センターでは、サーバーにアップロードしているファイルの状態を 1 か所で確認できるようになりました。 ファイルを Web サーバーにアップロードする場合には、まずローカルの Office ドキュメント キャッシュにファイルが保存された後でアップロードが開始される ...

For info on how to connect your controller to a console, PC, or mobile device: