Learn how to find your BitLocker recovery key in Windows.

Some icons in My Computer, in Windows Explorer, on the desktop, or on the Quick Launch Bar change randomly. Troubleshoots and fixes common issues with file and folder operations in Windows.

To remove the block for a downloaded file, right-click the file in File Explorer, select Properties, and then select Unblock. Note: The change might not take effect immediately but will be effective after the next login.

Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.

Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

Microsoft Defender's web protection helps protect you against malicious sites that are being used for phishing or spreading malware. Available on Windows, Android, and iOS.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

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To help protect your security and privacy, Microsoft Office is configured by default to block external content—such as images, linked media, hyperlinks, and data connections—in workbooks and presentations.

You've come across a file in SharePoint in Microsoft 365, OneDrive for work or school, or Microsoft Teams, but you're unable to open or share it. You can see the file is there, but it's blocked and the file has a warning icon next to it: To protect yourself, your computer, and your organization, the best option is to delete the file.