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Résoudre les problèmes audio dans Windows - Support Microsoft
Si vous rencontrez des problèmes de son ou audio, les suggestions suivantes peuvent vous aider. Ces conseils sont affichés dans l’ordre. Commencez par le premier de la liste ; s’il ne vous permet pas de résoudre votre problème, passez au suivant.
Change notification and quick settings in Windows
Learn how to change your notification settings and quick actions using the notification center in Windows.
Find out how much storage your PC has - Microsoft Support
Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.
Import Gmail contacts to Outlook - Microsoft Support
Contacts can be exchanged between Outlook and Google Gmail to save time and avoid manually re-entering your contacts.
Applies To: Outlook 2016, Outlook 2013
Copilot in Windows: Your data and privacy - Microsoft Support
Copilot in Windows, with the help of Microsoft Copilot (previously named Bing Chat), provides you with centralized generative AI assistance directly from your Windows device.
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
Add or delete audio in your PowerPoint presentation
You can add audio, such as music, narration, or sound bites, to your PowerPoint presentation. When adding audio, you can also specify when the audio should start and how long it should run.
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016
Speech, voice activation, inking, typing, and privacy
Your privacy is important to us. That’s why we give you control over your privacy settings for online speech recognition and inking and typing personalization features in Windows.
What is HDR in Windows 11? - Microsoft Support
Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.
Apply data validation to cells - Microsoft Support
Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016