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Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
How to sign in to Hotmail - Microsoft Support
Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.
Applies To: Outlook.com
激活 Office - Microsoft 支持
尝试引导式支持. 选择下面的 Microsoft 365 版本,了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 ...
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, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft Lync for iPhone 2013 operated by 21vianet, Office.com, Project for Office 365
2023 年 4 月 11 日 - KB5025288 (仅限安全的更新) - Microsoft 支持
提醒 Windows 8.1 于 2023 年 1 月 10 日终止支持,不再提供技术协助和软件更新。 如果你的设备运行 Windows 8.1,建议将它们升级到更新的、正在使用的和受支持的 Windows 版本。 如果设备不符合运行更新版本 Windows 的技术要求,建议将其替换为支持 Windows 11 的设备。
如何在 Windows 中执行干净启动 - Microsoft 支持
方法如下:. 选择 “搜索 ”,然后键入 计算机管理 。. 从结果列表中选择 “计算机管理 ”。. 在控制台树中,选择箭头以展开 服务和应用程序 ,然后选择 “服务 ”。. 在详细信息窗格中,右键单击或向下轻扫 Windows 安装程序 ,然后选择 “开始 ”。. 本文 ...
Screen mirroring and projecting to your PC or wireless display
Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
如果运行的是 Windows 10、Windows 8.1 或 Windows 8,请先运行收件箱部署映像服务和管理 (DISM) 工具,然后再运行系统文件检查器。. (如果运行的是 Windows 7 或 Windows Vista,请跳到步骤 3.) 键入以下命令,然后按 Enter: 完成命令操作可能需要几分钟时间。. DISM.exe /Online ...
2023 年 8 月 8 日 - KB5028951 適用於 Windows 10 版本 21H2 和 Windows 10 版本 22H2 ...
適用於 Windows 10 版本 21H2 和 Windows 10 版本 22H2 的 2023 年 8 月 8 日更新包含 .NET Framework 3.5 和 4.8 的安全性和累積可靠性改良功能。
How to earn Microsoft Rewards points - Microsoft Support
Here are some of the ways you can earn Microsoft Rewards points: Search with Bing *. Search the web through the search box on the taskbar on your Windows 10/11 device. Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more ...
Applies To: Microsoft account dashboard
在 Windows 中使用智能充电 - Microsoft 支持
为了帮助解决此问题,一些设备制造商在Windows 11中打开智能充电。. 借助智能充电,无需担心拔出设备,使其在较长时间内保持 100% 充电状态- 智能充电可为你充电。. 如果设备已启用智能充电,电池电量将设置为更适合整体电池的较低水平。. 从长远来看,设备 ...