You can add comments to cells. When a cell has a comment, an indicator appears in the corner of the cell. When you hover your cursor over the cell, the comment appears.

若要了解详细信息，请参阅自定义频道通知。. 可通过多种方式在 Teams 中配置聊天和频道通知。 管理会议通知. 在“通知和活动”的“会议”部分中，可以配置会议即将开始的通知的显示方式，以及会议期间的聊天通知。. 可以使用切换开关打开或关闭会议开始通知。

Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.

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。

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.

无论是否拥有 Teams 帐户，都可以随时从任何设备加入 Teams 会议。 如果没有帐户，请按照以下步骤加入。 如果在加入 Teams 会议时遇到问题，请尝试我 无法加入 Teams 会议。

Descubre cómo enviar una solicitud para obtener el reembolso de una compra de contenido digital de Xbox.

Troubleshooting steps for the calling feature of the Phone Link app.

The Windows 10 free upgrade offer ended on July 29, 2016. To upgrade to Windows 10, you will need to have a compatible PC and purchase a full version of the software.We recommend that you don’t install Windows 10 on an older device, as some Windows 7 devices are not compatible with Windows 10 or could experience reduced feature availability.

Learn how to connect devices in Family Safety and manage screen time, content filters, location tracking, and driving safety.