Get up to speed with Microsoft Office by using these cheat sheets for quick reference and mastering keyboard shortcuts.

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在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

了解如何在 Microsoft Edge 中启用 Adobe Flash。

自动静音是一种可调节的聊天音量阈值，可选择将麦克风拾取的声音传输给聊天群中的好友。 通过 Xbox Accessories 应用，可以将自动静音灵敏度从低（部分声音被静音）调到高（大部分声音被静音）。 通过这样可减少与好友和队员共享不需要的背景噪音量。

Examples. See various examples in the figure below. Look closely at the use of the TEXT function in the second example in the figure. When you join a number to a string of text by using the concatenation operator, use the TEXT function to control the way the number is shown. The formula uses the underlying value from the referenced cell (.4 in this example) — not the formatted value you see ...

Locate the device that you want to check the warranty on, then select Info & support.

极小部分人可能会在看到特定视觉图像（包括可能出现在视频游戏中的闪烁效果或图案）时出现癫痫症状。甚至没有癫痫史的人也可能具有一些可能会在玩视频游戏时导致“光敏性癫痫发作”的未确诊症状。