Learn how to manage background activity for apps to help save battery power in Windows.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Découvrez comment installer Office 2013 sur PC ou Office pour Mac 2011.

Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Découvrez comment mettre à jour des pilotes dans Windows à l’aide de Gestionnaire de périphériques pour mettre à jour ou réinstaller un pilote.

Use Find my device to locate and lock your lost or stolen Windows devices.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.