Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

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.

Help for Microsoft mobile apps on Android and iOS devices. Find how-to articles and video tutorials for Samsung Galaxy and iPhone. Learn how to link your Microsoft 365 mobile apps, including Outlook, OneNote, and Your Phone.

Learn how to use drag and drop to transfer content between your Android device and PC.

SafeSearch helps keep adult content out of your search results. There are different ways you can turn on SafeSearch: For individual accounts, choose SafeSearch options on the Settings page.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Get quick answers to common questions and learn how to use Notepad effectively with Microsoft Support.

How to use the FILTER function in Excel to filter a range of data based on criteria you define.