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Téléchargez et installez ou réinstallez Microsoft 365 ou Office 2021 ...
Vous êtes prêt à procéder à l’installation ? Avant de commencer, assurez-vous que votre PC ou Mac répond à la configuration système requise.. Si vous avez déjà utilisé une clé de produit, que vous réinstallez simplement les applications ou que vous savez que vous disposez d’une licence par le biais de votre entreprise ou de votre établissement scolaire, vous pouvez passer ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
Applies To: Microsoft account dashboard
Stay protected with Windows Security - Microsoft Support
Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.
How to get support for Outlook.com - Microsoft Support
If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.
Applies To: Outlook.com
Global Customer Service phone numbers - Microsoft Support
Country/Region. Country/Region code. Phone number. Language. Australia. N/A. 13 20 58. English. New Zealand. N/A +64. 0800 800 004 9 368 5680. English
SUMIF function - Microsoft Support
sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...
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
Avoid and report Microsoft technical support scams
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Dark Mode in Outlook - Microsoft Support
Why does my reading pane have a dark background? When dark mode is turned on, the reading pane has a dark background to reduce eye strain. You can make the reading pane brighter by selecting at the top of the reading pane. If you don't see the button, select .
Applies To: Outlook for Microsoft 365, Outlook on the web, Outlook.com
Collaborate on Excel workbooks at the same time with co-authoring ...
If you selected the Share button, people will receive an email message inviting them to open the file. They can select the link to open the workbook. A web browser will open, and the workbook will open in Excel for the web. If they want to use the Excel desktop app to co-author, they can select Edit in Desktop App.However, they'll need a version of the Excel app that supports co-authoring.
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 2016, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones, Excel for Windows Phone 10, Excel Mobile
Sync files with OneDrive in Windows - Microsoft Support
See and manage your OneDrive files. You're all set. Your OneDrive files will appear in File Explorer in the OneDrive folder. If you use more than one account, your personal files appear under OneDrive – Personal and your work or school files appear under OneDrive - CompanyName.. You now have a new white or blue cloud icon (or both) in your notification area and your files are synced to your ...
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet