When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

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Learn how to troubleshoot and fix problems setting up your email in Outlook.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to manage background activity for apps to help save battery power in Windows.