如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Using clipboard. When you copy content on your PC, it’s automatically copied to your clipboard for you to paste. You can paste multiple items from your clipboard history, and you can also pin the items you tend to use all the time and sync your clipboard history to the cloud.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

如果你有业务订阅，并且已准备好订阅 Microsoft 365 Copilot ，请访问 Copilot for Microsoft 365。 如果你已经是订阅者， 请在此处开始。 如果你有企业订阅，请致电Microsoft帐户代表购买 Microsoft 365 Copilot 。

恭喜！ 你已完成安装 Skype for Business。 现在，你已做好首次登录 Skype for Business 的准备。 第一次登录. 在 Skype for Business 登录页面上，输入你的 Microsoft 365 用户 ID 和密码，然后选择“登录”。 例如，如果使用 jakob@contoso.com 登录到 Microsoft 365，那就是你输入后才能登录 Skype for Business 的内容。