Argument name. Description. Sum_range (required). The range of cells to sum. Criteria_range1 (required). The range that is tested using Criteria1.. Criteria_range1 and Criteria1 set up a search pair whereby a range is searched for specific criteria. Once items in the range are found, their corresponding values in Sum_range are added.. Criteria1 (required)

Do you want to learn how to navigate Windows using keyboard shortcuts? Whether you need to switch between apps, open the command prompt, or perform any other tasks, you can find a full list of keyboard shortcuts in Windows on this webpage. Discover how to save time and improve your productivity with these handy tips.

Tip: In Windows 7, you can synchronize your computer clock with an Internet time server to keep the computer clock up to date.To do this, select the date or time in the bottom right-hand corner of your screen, and then select Change date and time settings.Select the Internet Time tab, select Change settings, select Synchronize with an Internet time server, and then select Update now.

If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.

擴充功能或附加元件是簡單的工具，可讓您自訂您的瀏覽器體驗並提供您更多控制權。 以下是在 Microsoft Edge 中新增、關閉和移除它們的方法。. 尋找並新增擴充功能至 Microsoft Edge

Use Microsoft Teams to chat online with the people you interact with. Start all chats the same way: by selecting New chat at the top of your chat list.. Start a chat with another person

The easiest way to get language packs for Windows 8.1 and Windows RT is to download and install them using the Language Control Panel. Download and install additional languages to view menus, dialog boxes, and other user interface items in your preferred language.

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. 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.