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屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
在投影的电脑上,选择 “Windows 徽标键 + K ”,然后选择要连接到的电脑。 或者,可以在 Windows 搜索栏中搜索 “强制转换 ”,然后选择“ 连接到无线显示器”。在“显示设置”页上的“ 多个显示器”下,选择“ 连接到无线显示器”,然后选择“ 连接”。
使用截图工具捕获截图 - Microsoft 支持
若要捕获视频截图,请打开“截图工具”,选择“ 录制 ”按钮,然后选择“ 新建录制”,或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域,然后选择“ 开始”。完成后,选择“ 停止”。此时,可以按原样保存录制内容,或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。
How to use the Camera app - Microsoft Support
If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera.. Select any heading below.
Recall or replace a sent email - Microsoft Support
Note: If you selected Delete unread copies and replace with a new message, the original message opens for editing.When you select Send, the original email message will be deleted from the recipient’s mailbox and replaced with the newly edited one.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016
Undo, redo, or repeat an action - Microsoft Support
Undo an action. Press + Z, or select Undo in the upper-left corner of the ribbon, until you've fixed the issue.. You can't undo some actions, such as selecting commands on the File menu or saving a file. If you can't undo an action, the Undo command changes to Can't Undo.. To undo several actions at the same time, select the arrow next to Undo, select the actions in the list that you want to ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
COUNT function - Microsoft Support
The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...
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
Using the Windows Activation troubleshooter - Microsoft Support
To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.
Change the look and feel of Microsoft 365 - Microsoft Support
Important: By default, Word and Outlook recolor your documents and e-mails to match the rest of the application when in Black theme. To disable this behavior in Word, navigate to File > Options > General > Personalize your copy of Microsoft Office, then check Never change the document page color.. To disable this behavior in Outlook, navigate to File > Options > General > Personalize your copy ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Project for Office 365
Show desktop icons in Windows - Microsoft Support
Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.
Perform an offline system update | Xbox Support
Click Save to save the console update.zip file to your computer.; Unzip the file by right-clicking on the file and selecting Extract all from the pop-up menu.