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.

Contacts have been moved to the People app.If you don't have it pinned to your app list on the left side of Teams, you can find it from the Calls app. In the People app, you can add new contacts, designate contacts as favorites, and add categories to contacts.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

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”。

If you are using a Surface Pro tablet, you can install Office and email as you would on a desktop computer! See Install Office on your PC or Mac.

To select. Do this. A single cell. Click the cell, or press the arrow keys to move to the cell. A range of cells. Click the first cell in the range, and then drag to the last cell, or hold down Shift while you press the arrow keys to extend the selection.

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

Unhide a chat. Need to see a hidden chat again? Unhide a chat that you've hidden before by using search. In the Search box at the top of Teams, search for the name of the person you were chatting with and select them. You'll see that the chat history is hidden (which you can choose to show by selecting it).

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system