激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
在 Microsoft Teams 中播放、共享和下载会议录制内容
若要在 Microsoft Teams 中播放录制的会议，请转到会议的聊天历史记录，然后单击“播放”。
Applies To:
Microsoft Teams
Create a workbook in Excel - Microsoft Support
Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
View device and app use with Family Safety activity reporting
Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.
Applies To:
Microsoft Family Safety
Protect yourself from phishing - Microsoft Support
Learn how to identify a phishing scam, designed to steal money via fake emails.
Filter websites and searches using Microsoft Family Safety
Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.
Applies To:
Microsoft Family Safety
Office Help & Training
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Save disk space with OneDrive Files On-Demand for Windows
Learn how to use OneDrive Files On-Demand to sync your OneDrive files and save disk space in Windows 10.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Windows
Getting started with Microsoft Family Safety - Microsoft Support
Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.
Applies To:
Microsoft Family Safety
Turn on device encryption - Microsoft Support
Learn how to turn on device encryption, or standard BitLocker encryption in Windows.