Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

Saiba como instalar, reinstalar ou ativar o Microsoft 365 ou o Office 2019 em um PC ou Mac.

Learn how to view and delete your browser history and other history in Microsoft Edge.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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。

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

How to use the IF function in Excel to make logical comparisons between data values.