在“蓝牙和其他设备”设置中，选择“通过蓝牙发送或接收文件”>“接收文件”。

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

Important: Copilot in Excel and Planner only supports Chinese (Simplified), English, French, German, Italian, Japanese, Portuguese (Brazil), and Spanish at this time.

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

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

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。