Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

更改第一页上的页眉或页脚，或者文档中的任何其他页面。

了解如何在 Microsoft Edge 中查看和删除浏览历史记录以及其他历史记录。

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.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.

Change the capitalization of text to lowercase, UPPERCASE, Capitalize First Word, or Sentence case in your documents.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.