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Install the Windows Fax driver or service to use Internet Fax in Office
Microsoft Office has a feature that lets you send Outlook, Word, Excel, and PowerPoint files as Internet faxes. This feature relies on having the Windows Fax Printer Driver or Fax Services installed on the computer to send the faxes.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Find and open File Explorer - Microsoft Support
File Explorer in Windows 11 helps you get the files you need quickly and easily. To check it out in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard.. How to use File Explorer:
SUMIF function - Microsoft Support
sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...
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
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
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, Excel Web App, Excel for Windows Phone 10
Count how often a value occurs - Microsoft Support
The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)
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
What is HDR in Windows 11? - Microsoft Support
HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
Calculate percentages - Microsoft Support
Find the percentage of change between two numbers. In this example, your earnings are $2,342 in November and $2,500 in December. What is the percentage of change in your earnings between these two months?
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
Count characters in cells - Microsoft Support
When you need to count the characters in cells, use the LEN function—which counts letters, numbers, characters, and all spaces. For example, the length of "It's 98 degrees today, so I'll go swimming" (excluding the quotes) is 42 characters—31 letters, 2 numbers, 8 spaces, a comma, and 2 apostrophes.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Automatically number rows - Microsoft Support
To enter specific sequential number codes, such as purchase order numbers, you can use the ROW function together with the TEXT function. For example, to start a numbered list by using 000-001, you enter the formula =TEXT(ROW(A1),"000-000") in the first cell of the range that you want to number, and then drag the fill handle to the end of the range. ...
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016