Microsoft Support
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SUMIF 函数 - Microsoft 支持
sum_range 可选。要添加的实际单元格，如果要添加在范围参数指定以外的其他单元格。如果省略sum_range参数，Excel就会添加范围参数中指定的单元格（与应用标准的单元格相同）。. Sum_range 的大小和形状应该与范围相同。如果不这样做，性能可能会受到影响，而且该公式将对从sum_range中第一个单元格 ...
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
Save disk space with OneDrive Files On-Demand for Windows
When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Windows
文件资源管理器帮助 - Microsoft 支持
若要打开文件资源管理器，请 + E 选择 Windows 徽标键 ，或转到“开始 ” 并在搜索框中键 入文件资源管理器。 在结果中选择“文件资源管理器”。 热门主题. 以下是关于文件资源管理器的一些常见问题的答案。
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。
Fix problems with apps from Microsoft Store - Microsoft Support
See also. If you can't find Microsoft Store, see Trouble finding Microsoft Store in Windows 10. If you're having trouble launching Microsoft Store, see Microsoft Store doesn't launch. If you can launch the Microsoft Store but you are just having trouble finding or installing an app, see I can't find or install an app from Microsoft Store. Need more help?
了解新的 Xbox 无线控制器 | Xbox Support
左控制杆 (1) 和右控制杆 (11):这些是小型游戏杆，立在控制器表面上方。 左摇杆位于控制器正面的左上角处，右摇杆位于控制器正面的右下角处。 摇杆用于与游戏、应用和 Xbox 主机进行交互。
Speichern oder Löschen von Kennwörtern in Microsoft Edge
Hinweis: Die Einstellung Kennwörter automatisch speichern wurde mit Microsoft Edge Version 124 und höher eingestellt. Stattdessen bietet Edge an, Ihre Kennwörter bei jeder Eingabe neuer Anmeldeinformationen im Edge-Browser zu speichern. Alle Ihre zuvor automatisch gespeicherten Kennwörter sind weiterhin für eine nahtlose Anmeldung verfügbar.
Change your Microsoft account picture - Microsoft Support
Notes: You can use most static image files on PC, macOS, iOS and Android, but HEIC and animated GIFs are not supported, sorry. To see entire portrait or landscape photos, use a photo editing app to add borders to make the image square.
Applies To:
Microsoft account dashboard
Make text and apps bigger - Microsoft Support
Make text bigger on your screen. If the text size feels too small when navigating through Windows, you can make the text bigger. This affects, for example, title bars, menus, and icon texts.