You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), asterisk (*), or forward slash (/) signs.The following is an example of a simple formula.

常规格式是 Excel 在键入数字时应用的默认数字格式。大多数情况下，使用 “常规 ”格式设置格式的数字的显示方式与键入方式一样。 但是，如果单元格的宽度不足以显示整个数字， 则“常规 ”格式将舍入具有小数的数字。“常规”数字格式还对较大的数字（12 位或更多）使用科学计数（指数 ...

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

通过使用“高级”选项卡中的选项，或者使用数字格式、条件格式、函数以及在数据透视表中隐藏零值的方式，可以在 Excel 工作表中隐藏或显示零值。

Notes: If you have existing lists of safe names and addresses, you can move that information into Outlook. Click Import from File and browse for the list file that you want. To create a file that uses your current list, click Export to File and then specify where you want the new file saved.. To change a name on the list, click the name that you want to change and then click Edit.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

你可以从 Windows 的 Microsoft Store 中下载并安装应用。 若要查找Microsoft应用商店应用，必须运行 Windows 11。 若要了解哪些应用可以在你的设备上使用，请选择任务栏上的 Microsoft Store。如果你没有看到任务栏上的 Microsoft Store 图标，请选择 开始 ，键入Microsoft Store，然后通过在结果列表中选中它来打开 ...

Use the Block or Allow settings to help control unwanted and unsolicited email messages by creating and managing lists of email addresses and domains that you trust and those that you don’t.

Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.

Important: Reassigning a combination of keys means that you can no longer use the combination for its original purpose.For example, pressing CTRL+B changes selected text to bold. If you reassign CTRL+B to a new command or other item, you will not be able to make text bold by pressing CTRL+B unless you restore the keyboard shortcut assignments to their original settings by selecting Reset All ...