Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Get answers to common questions about Windows 11 and Windows 10 in S mode.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Email messages that you receive can be saved as a file on your computer, or a message that you are composing can be saved as a draft and finished later.

Windows 11, version 21H2; July 9, 2024—KB5040431 (OS Build 22000.3079) June 11, 2024—KB5039213 (OS Build 22000.3019) May 14, 2024—KB5037770 (OS Build 22000.2960)

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:

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Learn how to view, manage, and delete cookies in Microsoft Edge.