Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

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。 相关主题 × 函数的常见用途 自动编排行号 ... 选择要合并的下一个单元格，然后按 Enter。 示例公式可能是 “=A2&" "&B2”。 使用 CONCAT 函数合并数据 选择要放置合并后数据的单元格 ...

Pronto para instalar? Antes de começar, certifique-se de que o seu PC ou Mac cumpre os requisitos de sistema.. Se já resgatou uma chave de produto, está simplesmente a reinstalar as aplicações ou sabe que tem uma licença atribuída através do trabalho ou da escola, pode avançar e aceder à secção iniciar sessão para transferir e instalar o Microsoft 365 ou o Office.

了解如何使用键盘快捷方式导航 Windows。 浏览任务栏、命令提示符和常规 Windows 快捷方式的完整列表。 “Windows 密钥”与其他键一起使用时，可以执行许多方便的任务，例如启动“设置”、“文件资源管理器”、“运行”命令和固定到任务栏的应用，以及打开“讲述人”或“放大镜”等特定功能。

Do one of the following: If you've never used Easy Connect, select Use Easy Connect.. If you've used Easy Connect before, select your helper’s contact name. To invite someone who isn't on your contact list, select Invite someone to help you.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).

安装 Windows 11 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新”，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.