Office Help & Training
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Set up the Microsoft Authenticator app as your verification method
Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.
Create a standard, private, or shared channel in Microsoft Teams
Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.
Applies To:
Microsoft Teams
View, edit, and manage video transcripts and captions
How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.
Applies To:
Microsoft Stream, Stream on SharePoint
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
Wi-Fi network not secure in Windows - Microsoft Support
Learn about the message "Wi-Fi isn't secure" that appears in Windows when you're connected to a Wi-Fi network that's not secure.
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
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
通过电脑发送和接收短信 - Microsoft 支持
设置“手机连接”应用时，系统将提示你启用对手机短信的访问。