输入 Office 产品密钥的位置 - Microsoft 支持
步骤 1 ：转到 www.microsoftstore.com 并使用用于购买 Office 的 Microsoft 帐户登录（右上角）。. 步骤 2 ：登录后，在右上角选择姓名，然后选择“ 订单历史记录 ”。. 步骤 3 ：找到 Office 一次性购买或单独的 Office 应用，然后选择“ 安装 Office ”，查看产品密钥（此 ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
Microsoft Edge help & learning
If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Visit Small business help and learning. Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Use @mentions to get someone's attention in Microsoft Teams
To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears. Note: You can also mention someone simply by typing their name. Start by capitalizing the first letter: as you continue to type the name, a list of people will appear for you to choose from.
Applies To:
Microsoft Teams
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
在Microsoft帐户仪表板上，选择“ 服务 & 订阅 ”，查看所有与此帐户关联的Microsoft产品。. 登录. 找到 Office 产品并选择“ 安装 ”。. 按照提示安装或重新安装桌面应用。. 选择 “安装高级Microsoft 365 应用 ”，并按照提示安装或重新安装桌面应用。. 在“Microsoft 365 ...
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 for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 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 Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
从 OneDrive 或 SharePoint 下载文件和文件夹 - Microsoft 支持
如果选择多个文件或文件夹，然后选择从 Microsoft OneDrive、Microsoft 365 中的 SharePoint，或从 SharePoint Server 订阅版本“下载”，则浏览器将会开始下载包含所有所选文件和文件夹的 .zip 文件。如果处于文件夹中，在没有选择任何文件或文件夹的情况下选择“下载”，浏览器会开始下载该文件夹的所有内容。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, SharePoint in Microsoft 365 Small Business
打开必应安全搜索" - Microsoft 支持
打开必应安全搜索". SafeSearch 是用于筛选出不适当 Web 内容的必应设置。. 若要进行更改：. 打开浏览器并转到 必应.com。. 选择 必应.com 窗口右上角的图标。. 选择 设置"，然后选择"更多 "。. 选择安全搜索首选项：" 严格"、"中等" 或"关闭 "。. 选择 菜单 底部的 ...
SUMPRODUCT 函数 - Microsoft 支持
SUMPRODUCT 函数. Microsoft 365 专属 Excel Microsoft 365 Mac 版专属 Excel Excel 网页版 更多... SUMPRODUCT 函数返回相应范围或数组的乘积的总和。. 默认运算是乘法，但也可以加法、减法和除法。. 在此示例中，我们将使用 SUMPRODUCT 返回给定项的总销售额和大小：. SUMPRODUCT 匹配 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Use Game Mode while gaming on your Windows device
Helps achieve a more stable frame rate depending on the specific game and system. To turn Game Mode on or off: Press the Start button , type Settings in the search box, and then select Settings. Choose Gaming > Game Mode. Turn Game Mode On or Off. Note Game Mode is turned on by default.
Microsoft 帐户安全信息和验证码 - Microsoft 支持
添加验证 Microsoft 帐户登录的方法. 登录到 Microsoft 帐户的 “高级安全选项 ”页。. 登录. 选择“ 添加新的登录方式或验证 ”，然后选择接收安全代码的方式。. 注意: 无法添加 VOIP 号码作为登录或获取验证码的一种方式。. 我们会将安全代码发送到新号码或电子 ...
Applies To:
Microsoft account dashboard
Microsoft Edge 中的辅助功能 - Microsoft 支持
要在 Microsoft Edge 中为所有网站设置默认缩放级别，请转到“设置和更多” >“设置” >“辅助功能” ，然后从“页面缩放”下的下拉菜单中选择所需缩放级别。 通过选择缩放级别轻松管理特定网站的缩放级别。. 你还可以在 Windows 中放大文本。 此处所做的更改将应用于设备上的大部分文本。