Contact Microsoft Office Support. Professional Direct Support for Microsoft 365 provides additional advisory support and proactive services to help plan, implement, maintain, and optimize Microsoft 365 solutions that align to your business's needs, as well as reactive support to assist you along the way.

Learn how to download, customize, and troubleshoot Windows Media Player 12 with helpful guides and tips.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Select OK.Type a password in both the Password and Verify Password text boxes and select OK again.. If you set a password, you must enter it every time that the data file is opened — for example, when Outlook starts or when you open the data file in Outlook.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请选择“ 注销 ”并重新开始该过程，或选择 ...

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

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

Next steps. After you register your personal device to your organization's network, you should be able to access most of your resources. If your organization wants you to join your work device, see Join your work device to your organization's network.

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。

Use rules to automatically perform specific actions on email that arrives in your inbox. For example, you can create rules that will change the importance level of messages as they come in, automatically move them to other folders, or delete them based on certain criteria.