How to create, edit, and run Excel macros to automate data entry and tasks.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Find out how to change privacy settings for your camera and microphone in Windows.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.