Edit green screen videos. Get studio-like effects without the price tag. Replace video backgrounds through the chroma-key filter.Select stock videos from our green-screen collection, add stickers and special effects to enhance your video.

从 Web 浏览器登录到 www.office.com，然后开始使用 Web 上的应用或访问与你的帐户相关联的其他 Web 服务（如 OneDrive）。. 登录到已安装 Office 应用的方式取决于你的设备。

Add your work or school account. On your computer, note the Code and Url information on the Configure mobile app page.Keep this page open so you can see the code and URL.

The taskbar can display the temperature in Celsius (°C) or Fahrenheit (°F). To switch between these two units, select the weather icon on the taskbar, select the Edit location and unit icon on the weather card, select Celsius or Fahrenheit on the weather, and select Save. News and interests is supported in any taskbar orientation.

2. Record Validation Rule You can use a record validation rule to specify a condition that all valid records must satisfy.You can compare values across different fields using a record validation rule. For example, a record with two date fields might require that values of one field always precede values of the other field (e.g., StartDate is before EndDate).

Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.