Office Help & Training
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Microsoft SwiftKey 键盘：下载和安装帮助 - Microsoft 支持
1. Microsoft SwiftKey 键盘支持哪些版本的 Android OS？ 目前，适用于 Android 的 Microsoft SwiftKey 键盘支持版本 5.0 (Lollipop) 及更高版本。
修复 Office 应用程序 - Microsoft 支持
如果Microsoft 365 应用程序（如 Word 或 Excel）无法正常工作，有时重启会解决问题。 如果这不起作用，你可以尝试修复它。
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 Professional 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 Professional 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, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, 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, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
取得最新的 Windows 更新 - Microsoft 支援服務
Windows 裝置可能會在不同時間取得新功能，因為 Microsoft 透過數種維護技術提供非安全性更新、修正、改進和增強功能，包括控管功能推出 (CFR)。 Windows 會告知您是否需要重新開機裝置以完成更新，而且您可以選擇最適合您完成更新的時間。
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
Applies To:
Microsoft account dashboard
下载 Internet Explorer 11（脱机安装程序） - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。
减小 PowerPoint 演示文稿的文件大小 - Microsoft 支持
如果演示文稿的文件大小过大，请尝试以下提示，使其更易于管理。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
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
Contact - Microsoft Support
Get support from Microsoft by finding contact options for Canada, including phone numbers and chat sessions.
高级启动选项（包括安全模式） - Microsoft 支持
“高级启动选项”屏幕使你可以在高级疑难解答模式下启动 Windows。 你可以访问该菜单，方法是打开计算机，然后在 Windows 启动之前按 F8 键。