Sign in to Microsoft 365
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
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
Contact - Microsoft Support
Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.
Sign in to XBOX | XBOX Support - support.xbox.com
Need help setting up an XBOX profile or signing in to XBOX on your console, PC, or mobile device? This solution will help you sign in or create a new account.
Age assurance on XBOX | Xbox Support - support.xbox.com
Find out how age assurance works on XBOX, what happens if your age is not verified, and where to verify your age for your Microsoft account.
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 ...
Open Device Manager - Microsoft Support
Open Device Manager Select Start , enter device manager. Then, select Device Manager from the search results.
Windows 中的键盘快捷方式 | Microsoft Support
Windows 11 Windows 10 键盘快捷方式就是按键或按键组合,可提供一种替代方式来执行通常使用鼠标执行的操作。 如果想要拍摄屏幕截图或截屏,请参阅 使用截图工具捕获屏幕截图。
How to sign in to Hotmail | Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To:
Outlook.com
在 Windows 中自定义桌面图标 | Microsoft Support
桌面是登录 Windows 时看到的第一个屏幕,保持桌面井然有序有助于提高工作效率和整体可用性。 本文介绍如何通过自定义默认桌面图标、添加用于快速访问的快捷方式、调整图标大小以匹配你的首选项以及根据需要显示或隐藏桌面图标来个性化你的 Windows 桌面,以保持干净、高效的工作区。 自定义 ...
別のプレゼンテーションのスライドを再利用する (インポート) | Microsoft Support
Windows macOS スライドの追加先のプレゼンテーションを開きます。 左側のスライドのサムネイル ウィンドウで、スライドを追加する場所をクリックします。 リボンの [ホーム] タブの [スライド] グループで、 [新しいスライド] の下にある矢印をクリックし、 [スライドの再利用] を選択します ...
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