SUMIFS 函数 - Microsoft 支持
参数名称. 说明. Sum_range （必需）. 要求和的单元格区域。 Criteria_range1 （必需）. 使用 Criteria1 测试的区域。. Criteria_range1 和 Criteria1 设置用于搜索某个区域是否符合特定条件的搜索对。 一旦在该区域中找到了项，将计算 Sum_range 中的相应值的和。. Criteria1 （必需） ...
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, Excel Web App
What is Smart App Control? - Microsoft Support
Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.
Improve accessibility with the Accessibility Checker
Apply recommended actions. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each.. To quickly correct the issues, apply one of the recommended actions. For more information on how the findings are categorized, see Rules for the Accessibility Checker. In the Accessibility pane, select an issue under Warnings or Errors.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote 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, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 2016, 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
如何对你的 Microsoft 帐户使用双重验证 - Microsoft 支持
重要: 如果你打开双重验证，你将始终需要两种形式的身份验证。这意味着如果你忘记了密码，你需要两种联系方式。 或者说，如果丢失了联系方式，你将无法仅通过密码进入自己的帐户，而可能需要等待 30 天才能重新访问， 你甚至可能失去对帐户的访问权限。
付费 Microsoft 365 订阅与免费 Web 应用之间的区别是什么？
Free. 免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。. 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用，只需使用 Microsoft 帐户登录到 Microsoft365.com，并从应用启动器 选择所需的应用。. 免费试用Word、Excel 和 PowerPoint
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
将人员添加到你的家庭组 - Microsoft 支持
注意: 如果某人已是某个家庭组的一部分，则必须先 离开该组或从该组中删除，然后才能加入另一个组。 他们还可以 创建一个新的 Microsoft 帐户 以与新的家庭组相关联。. 了解Microsoft家庭安全特性和优势。
Applies To:
Microsoft Family Safety
June 11, 2024—KB5039217 (OS Build 17763.5936)
Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)
Internet Explorer 下载 - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。
查看你的 Microsoft Store 订单历史记录 - Microsoft 支持
如果你从Microsoft Store购买了一个物理商品，而我们将其寄送到你，则可以在订单历史记录页检查状态。 如果订单状态 "已发货"，请检查状态下方的 跟踪发货 链接。待定 订单可能需要更新信息或更改付款方式。 最近的购买可能无法立即显示状态。
Applies To:
Microsoft account dashboard