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使用 SUM 函数对区域中的数字求和 - Microsoft 支持
可以使用 简单的公式对) 一组单元格 (区域中的数字求和,但在处理多个数字时 ,sum 函数 更易于使用。 例如,=sum (a2:a6) 出现键入错误的可能性小于 =a2+a3+a4+a5+a6。 下面是使用两个单元格区域的公式: =sum (a2:a4,c2:c3) 对区域 a2:a4 和 c2:c3 中的数字求和。 可按 enter 获取总计 39787。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Meet Windows 11: The basics - Microsoft Support
Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups
Send large files with Outlook - Microsoft Support
Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
How to sign in to MSN - Microsoft Support
By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN and to take that experience with you on every device, including the MSN website and the MSN apps.
使用表情符号让你的电子邮件别具一格 - Microsoft 支持
在 Windows 表情符号选取器中,你可以滚动浏览列表,使用表情符号选取器顶部或底部的类别图标,或者键入关键字 (keyword) 以搜索所需的表情符号。
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
运行 Internet Explorer 11 的最新版本 - Microsoft 支持
Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 切换到 Microsoft Edge 以实现更快、更安全、更现代的 Web 浏览体验。
Add a font - Microsoft Support
Here are two other ways to install and manage fonts: All fonts are stored in the C:\Windows\Fonts folder. Optionally, you can add fonts by simply dragging font files from the extracted files folder into this folder.
Applies To: Word 2013
在 Outlook.com 或 Outlook 网页版 中添加日历 - Microsoft 支持
你将看到一条消息,该消息显示你的帐户已连接或你需要对该帐户进行身份验证。 连接完成后,你将看到你的帐户已连接,并且你的个人活动现在会影响你的工作或学校忙闲状态。
Applies To: Outlook.com
创建简单的公式来在 Excel 电子表格中执行加减运算。 - Microsoft 支持
你可以创建简单的公式,对工作表中的值进行加减乘除运算。 简单公式始终以等号 (=) 开头,后跟数值和计算运算符的常量,例如加 (+) 、减 (-) 、星号 (*) 或正斜杠 (/) 符号。下面是简单公式的示例。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016