Join a meeting without an account in Microsoft Teams
Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.
Applies To: Microsoft Teams
How do I reassign hot keys for my keyboard? - Microsoft Support
Note: The options listed in this wizard vary depending on the key selected.For example, since you cannot reassign the Windows key, the only option available is to disable it.
What to try if your touchscreen doesn't work - Microsoft Support
In Settings, select Update & Security , then Windows Update , and then select the Check for updates button. Install any available updates and restart your PC if required.
ROUND 函数 - Microsoft 支持
说明. round 函数将数字四舍五入到指定的位数。 例如,如果单元格 a1 包含 23.7825,而且您想要将此数值舍入到两个小数位数,可以使用以下公式: =round(a1, 2)
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
创建下拉列表 - Microsoft 支持
创建下拉列表后,请确保它能按要求工作。 例如,你可能希望通过检查了解是否更改列宽和列高来显示所有条目。. 如果下拉列表的条目列表在另一个工作表上,而您想要防止用户看到它或进行更改,请考虑隐藏和保护该工作表。
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
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:
获取数字证书并创建数字签名 - Microsoft 支持
本文介绍如何获取或创建用于 Office 文档的数字签名。 若要详细了解如何在 Office 文档中使用它们,请参阅 在 Office 文件中添加或删除数字签名。. 什么是数字签名?
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
将数字设置为日期或时间 - Microsoft 支持
AM 和 PM 如果格式包含 AM 或 PM,则小时基于 12 小时制,其中“AM”或“A”表示从午夜到中午的时间,“PM”或“P”表示从中午到午夜的时间。否则,时间将采用 24 小时制。 “m”或“mm”代码必须紧接在“h”或“hh”代码之后或紧接在“ss”代码之前;否则,Excel 将显示月份而不是分钟。
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
添加幻灯片编号、页码或日期和时间 - Microsoft 支持
若要将日期和时间设置为特定的日期,请单击“固定”,然后在“固定”框中,键入期望的日期。 在演示文稿中设置日期,以便将日期“固定”,这样就可轻松跟踪最后一次对它所做的更改。
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016
使用邮件合并来批量电子邮件、信件、标签和信封 - Microsoft 支持
数据源. 设置邮件合并的第一步是选择要用于个性化信息的数据源。 Excel 电子表格和 Outlook 联系人列表是最常见的数据源,但如果你还没有数据源,可以在 Word 中键入此类内容,作为邮件合并过程的一部分。
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word 2016 for Mac