在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2019。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Manage Microsoft 365 payment information and billing for your business
Learn how to manage the payment information and billing for your Microsoft 365 subscription.
Check spelling and grammar in Office - Microsoft Support
Office for Mac applications automatically check for potential spelling and grammatical errors as you type. If you’d rather wait to check spelling and grammar until you're done writing, you can turn off automatic checking, or you can check spelling and grammar all at once.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, InfoPath 2013, InfoPath Filler 2013
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Add an animated GIF to a slide - Microsoft Support
You can add an animated GIF (or meme) to a PowerPoint slide as you would with any other picture file.. You can insert a GIF file that is stored on your computer hard disk or in OneDrive.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016, PowerPoint 2013
Learn about performance features in Microsoft Edge
Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.
Applies To:
Microsoft Edge
Meet Windows 11: The basics - Microsoft Support
Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
与我们联系 | Xbox Support
需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。
更换 Surface 触控笔电池 - Microsoft 支持
笔帽中还有两枚纽扣电池，可能需要更换。 更换笔帽中的电池. 如果你的触控笔为有两个侧边按钮的 Surface 触控笔，则可能还需要更换笔帽中的纽扣蓝牙电池。