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Excel 函数(按字母顺序) - Microsoft 支持
函数名称. 类型和说明. ABS 函数. Math and trigonometry: 返回数字的绝对值 ACCRINT 函数. Financial: 返回定期支付利息的债券的应计利息 ACCRINTM 函数. Financial: 返回在到期日支付利息的债券的应计利息 ACOS 函数. Math and trigonometry: 返回一个数的反余弦值 ACOSH 函数
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
Create an email signature from a template - Microsoft Support
Select all the elements of the signature, right-click and choose Copy. On the Message tab, in the Include group, select Signature > Signatures. Choose New and type a name for your signature. For example: "Business" or "Personal". In the Edit signature field, right-click and select Paste. Your signature is now displayed in the field.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Windows 10 Update Assistant - Microsoft Support
This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.
What's new in Office 2021 - Microsoft Support
Office 2021 Office 2021 for Mac. In Office 2021, you'll find new co-authoring features, inking tools, data types, functions, translation and editing tools, motion graphics, ease-of-use features, and so much more! Check out what's available to you today. Note: Some features listed below are not included in Office LTSC 2021 for commercial ...
Applies To: Office 2021, Office 2021 for Mac
Create and open a PowerPoint presentation - Microsoft Support
Create a new presentation. Open PowerPoint. Select Blank presentation, or select one of the themes. Select More themes to view the gallery and search for more. Add a slide. Select the slide you want your new slide to follow. Select Home > New Slide. Select Layout and the you type want from the drop-down.
Applies To: PowerPoint for the web
手机连接要求和设置 - Microsoft 支持
如果从电脑启动:. 在任务栏上的搜索框中,键入 “手机连接 ”,然后从结果中选择手机连接 。. 如果尚未使用 Windows 登录,系统可能会要求 登录 Microsoft 帐户 。. 在 Android 设备上安装或打开 连接至 Windows 移动应用。. 为此,请在 Android 设备上打开网络浏览器 ...
LEFT, LEFTB functions - Microsoft Support
Syntax. LEFT (text, [num_chars]) LEFTB (text, [num_bytes]) The function syntax has the following arguments: Text Required. The text string that contains the characters you want to extract. Num_chars Optional. Specifies the number of characters you want LEFT to extract. Num_chars must be greater than or equal to zero.
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
Office 中未经授权产品和激活错误 - Microsoft 支持
提示: 在 Windows 7 中,你可使用网络时间服务器来同步计算机时钟,以保持计算机时钟处于最新状态。若要实现这一点,请选择屏幕右下角的日期或时间,然后选择“更改日期和时间设置”。依次选择“网络时间”选项卡和“更改设置”,再选择“使用网络时间服务器进行同步”,然后选择“立即 ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, InfoPath 2013, Office.com
Upgrade to Windows 10 Pro - Microsoft Support
Upgrade to Windows 10 Pro. Windows 10. Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption. Remote Desktop. The ability to join a domain or Azure Active Directory. If you're running Windows 10 Home, select Get Windows 10 Pro to upgrade your device.
Choose text encoding when you open and save files
Tip: When you open an encoded text file, Word applies the fonts that are defined in the Web Options dialog box. (To reach the Web Options dialog box, click the Microsoft Office Button, click Word Options, and then click Advanced.In the General section, click Web Options.)You can select the options on the Fonts tab in the Web Options dialog box to customize the font for each character set.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016