How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

Add page numbers to an existing header or footer in Word. Use the Tab key to position the page number left, center, or right. If the number is flush left, press Tab once for center, and twice for right.

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

对于想要允许脚本的一个或多个网站，请在“将该网站添加到区域”文本框中输入地址，然后单击“添加”。 注意： 如果地址不以“https:”开头，许多情况下需要取消选中“对该区域中的所有站点要求服务器验证(https:)”。

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

This article is for Outlook.com. If you're using Outlook for Windows, see Fixes or workarounds for recent issues in Outlook for Windows.. If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal.. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues.

Désinstaller à partir du menu Démarrer. Sélectionnez Démarrer > Toutes les applications et recherchez l’application dans la liste affichée.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.