Create professional slide layouts with Designer - Microsoft Support
Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, PowerPoint for iPad, PowerPoint for Android tablets, PowerPoint Mobile
SUM function - Microsoft Support
How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.
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
Change the size of your desktop icons in Windows
Change the size of your desktop icons. To resize desktop icons, right-click (or press and hold) the desktop, point to View, then select Large icons, Medium icons, or Small icons.
IF function - Microsoft Support
How to use the IF function in Excel to make logical comparisons between data values.
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
Zip and unzip files - Microsoft Support
Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files. In Windows, you work with zipped files and folders in the same way that you work with uncompressed files and folders.
Installer et utiliser un scanneur dans Windows 10
Découvrez comment installer un scanneur et l’utiliser pour numériser des images et des documents dans Windows 10.
Manage notifications in Microsoft Teams - Microsoft Support
Microsoft Teams offers different ways to access, receive, and manage notifications. These settings include how, when, and where your notifications appear, custom settings for channels and chat, appearance and sounds, turning off specific messages, and so on.
Applies To: Microsoft Teams
What's new in recent Windows updates - Microsoft Support
See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.
Form controls - Microsoft Support
How to user form controls in Excel to make data entry easier.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Change screen orientation - Microsoft Support
Use the Settings app in Windows to change screen orientation.