Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

Use Version History to view previous versions of files stored in OneDrive or SharePoint libraries.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Erfahren Sie, wie Sie Windows mithilfe von Tastenkombinationen navigieren. Hier finden Sie eine vollständige Liste der Taskleisten-, Eingabeaufforderungs- und allgemeinen Windows-Tastenkombinationen.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Discusses how to troubleshoot problems that occur when you try to access or work with files and folders in Windows.

If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.