Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

在电脑上. 在“设置”中检查网络状态。打开设置 >网络和 Internet。 检查屏幕顶部的以太网连接状态。 请确保网络连接名称下面显示“已连接”。如果存在错误，例如显示“需要操作”的错误，请选择“以太网”以查看以太网连接设置。 如果一根以太网电缆不起作用，并且附近有其他以太网电缆 ...

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.

Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.