How to update Windows Security - Microsoft Support
Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.
在 OneDrive 中删除文件或文件夹 - Microsoft 支持
打开“共享”视图,通过指向每个项目并单击出现的圆检查框来选择要删除的文件或文件夹。 若要删除其他用户共享的项目,请选择该项目,然后选择页面顶部栏上的“ 从共享列表中删除”。 若要从“ 我共享”中删除项目,请选择该项目,选择右上角的“ 信息 ”以打开“ 详细信息 ”窗格,然后 ...
适用于: OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
哪些 Office 版本适用于 Windows 10? - Microsoft 支持
提示: 建议升级到 Windows 10 之前,使用获取 Windows 10 应用进行兼容性检查。 许多设备已通过更新安装了该应用。 若要查看是否已安装该应用,请查找任务栏最右侧的 Windows 图标。 找到它后,请选择该图标并开始使用。
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Office 2016, Project for Office 365
CONCAT 函数 - Microsoft 支持
参数 说明 text1 需要 要联接的文本项。 字符串或字符串数组,如单元格区域。 [text2, ...] (可选) 要联接的其他文本项。 文本项最多可以有 253 个文本参数。
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
在 Outlook 中更改或设置默认字体 - Microsoft 支持
在 Outlook 中更改或设置每次在创建新邮件时使用的默认字体。答复或转发邮件”- 可以在转发或答复的邮件上使用不同的字体。 此设置主要用于两个复选框,它们允许用户使用自己的姓名(或其他文本)或使用不同颜色的文本标记所作批注。
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016
将 Outlook 邮件另存为.eml文件、PDF 文件或草稿 - Microsoft ...
将邮件另存为 Word 文档 Outlook 无法直接将邮件另存为 Word 文档文件。 但是,可以将邮件另存为 HTML 文件,然后在 Word 中打开该文件。 将电子邮件保存为 HTML 文件会保留所有格式、图像和链接,以及标头信息,其中包括 “发件人”、“ 收件人”、“ 抄送”和 “主题” 信息。
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
Collaborate on Excel workbooks at the same time with co-authoring
If you selected the Share button, people will receive an email message inviting them to open the file. They can select the link to open the workbook. A web browser will open, and the workbook will open in Excel for the web. If they want to use the Excel desktop app to co-author, they can select Edit in Desktop App.However, they'll need a version of the Excel app that supports co-authoring.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel for iPad, Excel for iPhone, Excel for Android 平板电脑版, Excel for Android 手机版, Excel for Windows Phone 10, Excel Mobile
Troubleshoot Outlook mobile issues - Microsoft Support
Outlook app crashing. If the Outlook mobile app crashes when you open it, clear the browser's cache on your device. Then remove the app and re-install it.
适用于: Office.com, Outlook for iOS, Outlook for Windows Phone 10
LINEST function - Microsoft Support
The accuracy of the line calculated by the LINEST function depends on the degree of scatter in your data. The more linear the data, the more accurate the LINEST model.LINEST uses the method of least squares for determining the best fit for the data. When you have only one independent x-variable, the calculations for m and b are based on the following formulas:
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Use Snipping Tool to capture screenshots - Microsoft Support
To capture a video snip, open Snipping Tool, select the Record button, then select New recording, or press Windows logo key + Shift + R.Select the area of the screen you wish to record, then select Start.When you are done, select Stop.At this point you can save the recording as-is or select Edit in Clipchamp to work with it in the Clipchamp video editor.