打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。
Windows 中的常见文件扩展名 - Microsoft 支持
了解文件扩展名是什么、Windows 中有哪些常见的扩展名，以及如何在“文件资源管理器”中查看它们。
在 Word 中进行协作 - Microsoft 支持
共享文档. 在 Word 中共享文件： 在功能区上选择“共享” 。 或者，选择“文件”>“共享”。
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access 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, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Add an animated GIF to a slide - Microsoft Support
A .gif file can be either a still image or an animated image. If you have animated GIF, this article describes how to insert it on a slide. If you have a GIF that is a still image, it can't be turned into an animated GIF.
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, PowerPoint 2013
Automatically start an Office program when you turn on your computer ...
Copy (Ctrl + C) the program shortcut and then paste (CTRL +V) it to the Startup folder you opened in Step 2. Your program will automatically start the next time you start your computer.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access 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, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 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, PerformancePoint Dashboard Designer, InfoPath 2013
View multiple calendars at the same time in Outlook
Overlay the calendars. In Calendar, in the Navigation Pane, select the check box of another calendar that you want to view.. The calendar that you selected opens next to calendar that is already displayed. Each successive calendar opens next to the one most recently opened.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Start an instant meeting in Microsoft Teams - Microsoft Support
If you don't have meeting scheduling capability in Outlook or Teams, starting an instant meeting is a great option. Just like with scheduled meetings, everyone who attends your meeting will continue to have access to the meeting chat, the recording, and anything else people share in the meeting (like files and meeting notes), even after the meeting ends.
Applies To:
Microsoft Teams
Record your presentation - Microsoft Support
New features added for recording video. The new Record window has two screens: Record and Export.. When you select Record, the Record screen opens by default.. If you select Export in the top right of the Record screen, the Export screen opens.. You can switch between the Record and Export screens using the Record and Export buttons in the top bar of the window.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Troubleshooting Wi-Fi connection on your Surface
Network adapter. Surface device used in. Intel® Wi-Fi 6 AX200, AX201, AX210, AX211. Surface Pro 7 and later generations, Surface Laptop 3 and later generations, Surface Laptop Go (all generations), Surface Laptop Studio (all generations), Surface Go 2 and later generations, Surface Book 3, Surface Studio 2+