Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 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, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows. However, you can change the default search engine to any site that uses OpenSearch technology.
将 Windows 电脑用作移动热点 - Microsoft 支持
通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。 如果你的电脑具有手机网络数据连接并且共享该连接，它将使用流量套餐数据。 了解如何将 Windows 电脑用作移动热点。
Set up the Microsoft Authenticator app as your verification method
Select Security info in the left menu or by using the link in the Security info pane. If you have already registered, you'll be prompted for two-factor verification. Then, select Add method in the Security info pane. On the Add a method page, select Authenticator app from the list, and then select Add. On the Start by getting the app page ...
Setting up a wireless network in Windows - Microsoft Support
A wireless network at home lets you get online from more places in your house. This article describes the basic steps for setting up a wireless network and starting to use it.
如何在 Windows 中使用多台显示器 - Microsoft 支持
提示: 如果你使用的是无线显示适配卡，请在较新的电视上连接到 HDMI 端口，然后通过无线方式将电脑与其连接。 将无线显示适配器连接到电视后，请转到 Windows 11 电脑上，按 Windows 徽标键 + K 打开投放，然后选择无线显示适配器。 了解如何将 Windows 电脑连接到外部显示器并调整显示设置。
Get the classic free Solitaire games for Windows
If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection. On the Microsoft Solitaire Collection page in Microsoft Store, select Install. The game will download and install automatically. To launch the game, select Play.
Windows 11版本 23H2 更新历史记录 - Microsoft 支持
Windows 11版本 23H2 的新增功能. Windows 11，版本 22H2 和 23H2 共享一个通用的核心操作系统和一组相同的系统文件。. 因此，Windows 11版本 22H2 和 23H2 的发行说明将共享更新历史记录页。. 每个发布页将包含 22H2 和 23H2 已解决的问题列表。. 请注意，23H2 将始终包含 22H2 受 ...
COUNTIF 函数 - Microsoft 支持
尝试使用 CLEAN 函数 或 TRIM 函数 。. 为方便起见，请使用命名区域. COUNTIF 支持公式 (中的命名范围，例如 =COUNTIF ( fruit 、“>=32”) -COUNTIF ( fruit “、”>85“) 。. 命名区域可位于当前工作表中，也可位于同一工作簿中的另一张工作表中，甚至来自另一个工作簿。. 若 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.