Back up your folders with OneDrive - Microsoft Support
Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
COUNT function - Microsoft Support
The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...
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
Windows background apps and your privacy - Microsoft Support
In the Background apps permissions section, under Let this app run in the background, select one of the following options: Always—The app runs in the background, receiving info, sending notifications, and staying up-to-date even when you're not actively using it.This option may use more power.
Restart (reboot) your PC - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
View a presentation without PowerPoint - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Applies To:
PowerPoint for Microsoft 365, PowerPoint for the web, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, PowerPoint Mobile
The .NET Framework 4.7 offline installer for Windows
This article describes the Microsoft .NET Framework 4.7 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8.1, Windows 10 Anniversary Update (Version 1607), Windows Server 2016, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.
Count how often a value occurs - Microsoft Support
The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)
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
Using email in Outlook on the web - Microsoft Support
Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.
Applies To:
Outlook.com, Outlook on the web for Exchange Server 2016
How to set up and test microphones in Windows - Microsoft Support
In Sound settings, go to Input to see your connected microphones. If it's a Bluetooth microphone, select Add device.
Modifier l’image d’arrière-plan du Bureau - Support Microsoft
Remarque : Si vous ne pouvez pas sélectionner l’option Windows à la une, votre administrateur a peut-être désactivé la fonctionnalité ou vous n’avez peut-être pas encore obtenu la mise à jour. Cette fonctionnalité est déployée sur une période donnée.Pour plus d’informations, consultez Quand obtenir les fonctionnalités les plus récentes de Microsoft 365 ?.