Choose a default app. The Open in app feature supports all file types, not just Word, Excel, and PowerPoint. For example, you can open a .pdf or a .mp4 file in the desktop app by clicking the Open in app option.. If there is a default app available to open a file, then the Open in app option automatically chooses the default app to open that file.

To learn more, check out the Join a Teams meeting video. Join by link. All you need to join a Teams meeting is a link. Select Join the meeting now in your meeting invite to be taken to a page where you can choose to either join on the web or download the desktop app.. If you already have the Teams app, the meeting will open there automatically.

在 Windows 8.1 或 Windows RT 8.1 中查找操作系统信息. 要查找设备运行的 Windows 版本，请按 Windows 徽标键 键 + R，并在“打开”框中键入“winver”，然后选择“确定”。. 如果你的设备运行的是 Windows 8.1 或 Windows RT 8.1，那么有关详细信息，可以参阅以下内容：

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

若要在Windows 11电脑上使用移动应用，需要安装Amazon Appstore。 设置完成后，你将能够浏览和安装精选目录中的移动应用。

如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置> ”>“更新和安全 ”>“疑难解答”>“其他疑难解答”。 接下来，在“启动并运行”下，选择“Windows 更新” > “运行疑难解答”。 运行完疑难解答后，最好重启设备。

When you want people to know your message needs urgent attention, set the message as high importance. If the message is just an FYI, or if you’re sending mail to colleagues about a non-work related topic, you can set the message as low importance.

We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.

يقدم Xbox Support مساعدة للأسئلة Xbox وGame Pass وأسئلة الفوترة. احصل على المشورة وخدمة العملاء في مجتمع «Xbox Support».

Where your best groups chat. GroupMe is the easy way to connect with all the groups in your life, big and small. With apps on iOS, Android, and Web, GroupMe keeps you connected with the people most important to you.