One of the most common ways of transmitting computer viruses is through file attachments. To help protect you and your recipients against computer viruses, Outlook blocks the sending and receiving of certain types of files (such as .exe and certain database files) as attachments.

Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

通过查看管理员上方是否显示了电子邮件地址，确认管理员帐户是否还是你的 Microsoft 帐户。如果显示了电子邮件地址，则这是 Microsoft 帐户。 如果未显示，则表示你已使用本地帐户登录。 如果你还没有 Microsoft 帐户，请参阅 如何创建新的 Microsoft 帐户。

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.

In a test call, you'll see how your mic, speaker, and camera are working. Follow the instructions from Test Call Bot and record a short message. The message will playback for you. After that, you'll get a summary of the test call, and you can go to your device settings to make changes.

When you're ready, select the round, red Record button, wait for the countdown, then start speaking. To record from a specific slide, go to it, and then select Record.

Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

通过语音键入，可以通过说话在电脑上输入文本。 语音键入使用由 Azure 语音服务提供支持的联机语音识别。

From the meeting chat, select Open Copilot in the upper-right corner of the chat—you'll see the Copilot icon.From here, Copilot bases responses on the meeting transcript, not the meeting chat. You'll see the same conversation history with Copilot as the one accessed from Recap.Select View prompts to choose from the suggestions, or try the following prompts:

Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.