备份 Windows 电脑 - Microsoft 支持
Windows 电脑附带一站式备份解决方案（Windows 备份），可帮助你备份许多对你最重要的内容。 从文件、主题和某些设置到许多已安装的应用和 Wi-Fi 信息 - Windows 备份将帮助保护重要内容，并使其比以往更轻松地移动到全新的电脑。
Windows 11和安全启动 - Microsoft 支持
了解如何更改设置以启用安全启动（如果无法升级到 Windows 11因为你的电脑当前无法安全启动）。
更改 Microsoft 帐户密码 - Microsoft 支持
下面的步骤介绍如何更改 已知 密码。 如果你因忘记密码而需要 重置 密码，请参阅 重置 Microsoft 帐户密码 。. 更改密码. 转到 account.microsoft.com，如果你尚未登录，则使用要更新的帐户的用户名和密码登录。
Applies To:
Microsoft account dashboard
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To:
Office 2019
获取有关 Windows 激活错误的帮助 - Microsoft 支持
激活有助于验证你的 Windows 副本是否为正版，且未在超过 Microsoft 软件许可条款所允许数量的设备上使用。 本文将帮助你找出并改正 Windows 中常见的激活错误。
解决适用于 Windows 的 Xbox 应用问题 | Xbox Support
了解如何解决从适用于电脑的 Xbox 应用安装或运行游戏的问题。
选择 64 位或 32 位版本的 Office - Microsoft 支持
帮助决定应该安装 32 位 Office 版本还是 64 位 Office 版本。 哪个版本适合取决于计划如何使用 Office。 了解如何在 32 位 Office 和 64 位 Office 之间进行选择。
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
在 Windows 上使用 OneDrive 同步文件 - Microsoft 支持
在“你的所有文件均准备就绪且按需可用”屏幕上，你将看到文件是如何标记的（从而使文件显示为仅联机、本地可用或始终可用）。文件随选可帮助访问 OneDrive 中的所有文件，而无需下载所有这些文件和使用 Windows 设备上的存储空间。选择“下一步”。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Add, format, or delete captions in Word - Microsoft Support
Manage captions for pictures, tables, equations, and other objects in your documents.
Applies To:
Word for Microsoft 365, Outlook for Microsoft 365, Word 2021, Outlook 2021, Word 2019, Outlook 2019, Word 2016, Outlook 2016
How your PC gaming account relates to your Microsoft Store account
When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.