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编辑或更改 PDF 文件 - Microsoft 支持
可移植文档格式 (PDF) 是用于共享最终版本文件的一种通用格式。 若要在通过 Office 程序(如 Excel 或 Publisher)创建的 PDF 中添加或编辑文本,请首先从原始 Office 文件开始着手。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Publisher for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Publisher 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Publisher 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Publisher 2016, InfoPath 2013
Windows摄像头、麦克风和隐私 - Microsoft 支持
在Windows,将相机和麦克风作为设备的一部分,Teams视频呼叫、拍照、录制视频等。 许多应用和服务都会请求并使用摄像头或麦克风,而 Windows 设置让你控制哪些应用可使用你的摄像头或麦克风。
Power efficient settings in Windows 11 - Microsoft Support
Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:
How to go passwordless with your Microsoft account
Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...
Applies To: Microsoft account dashboard
FILTER function - Microsoft Support
The FILTER function allows you to filter a range of data based on criteria you define.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Microsoft 365 Family - Microsoft Support
Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.
Microsoft 365 Training
Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.
What's new in Word 2021 for Windows - Microsoft Support
Word 2021 for Windows enables you to create compelling content and includes co-authoring, new stock media from the Office Premium Creative Content collection, and new Draw tab additions such as Point Eraser, Ruler, and Lasso.
Applies To: Word 2021
Find your notifications - Microsoft Support
Windows 10 puts notifications and quick actions in Action Center—right on the taskbar—where you can get to them instantly. Select Action Center on the taskbar to open it. (You can also swipe in from the right edge of your screen, or press Windows logo key + A.). Notifications at a glance
PowerPoint の Copilot を使用して新しいプレゼンテーションを作成する - Microsoft サポート
Copilot は、既存のテーマとテンプレートを使用してプレゼンテーションを作成できます。 詳しくは、PowerPoint で Copilot でプレゼンテーションを見栄え良くするをご覧ください。 テーマを使用して既存のプレゼンテーションを開くか、[ファイル]、[新規作成] の順に移動するか Office.com からテーマ ...
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for iPad