Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Remarques : La réinstallation Windows 11 à l’aide du support d’installation tout en choisissant de « Ne rien conserver » (une nouvelle installation) active automatiquement le stockage réservé si la partition vers laquelle vous réinstallez Windows est supérieure ou égale à 20 Go. Les espaces de stockage réservés mettent de côté de l’espace disque pour les mises à jour, les ...

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

The taskbar can display the temperature in Celsius (°C) or Fahrenheit (°F). To switch between these two units, select the weather icon on the taskbar, select the Edit location and unit icon on the weather card, select Celsius or Fahrenheit on the weather, and select Save. News and interests is supported in any taskbar orientation.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Download and install Skype for Business on your PC. Sign in to and out of Skype for Business. Set up an audio device for Skype for Business. Set up and troubleshoot Skype for Business video

Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.