Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

The SUMPRODUCT function returns the sum of the products of corresponding ranges or arrays.The default operation is multiplication, but addition, subtraction, and division are also possible. In this example, we'll use SUMPRODUCT to return the total sales for a given item and size:

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

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注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Was geschieht, wenn ich keine Administratorrechte auf meinem Gerät habe? Um ein vollständiges Upgrade auf das neue Microsoft Edge durchführen zu können, müssen Sie mit einem Administratorkonto bei Ihrem Gerät angemeldet sein.

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Inserting ASCII characters. To insert an ASCII character, press and hold down ALT while typing the character code. For example, to insert the degree (º) symbol, press and hold down ALT while typing 0176 on the numeric keypad.

Keeping leading zeros and large numbers in Excel. Use a custom format to keep the leading zeros. If you want to resolve the issue just within the workbook because it's not used by other programs as a data source, you can use a custom or a special format to keep the leading zeros.