Microsoft Defender Antivirus continuously scans your device for potential threats and takes immediate action to neutralize them. This proactive approach helps to prevent malware …

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web …

Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that …

Although most are created by advertisers, they can also contain malicious or unsafe code. A pop-up blocker can prevent some or all of these windows from appearing. The pop-up blocker in …

Keeping your computer secure helps you avoid malware and direct hacking attempts designed to steal your personal information. Here are some ways you can help reduce your online risk …

Learn about how tracking prevention works in Microsoft Edge. Adjust your tracking prevention setting to detect and block known trackers.

Microsoft Defender can help protect your entire family's Windows, Android, and Mac devices from malicious apps and other malware.

Note: To further restrict reviewers from making changes to your document or spreadsheet, you can make the file read-only or you can password protect it. Select File > Info. Select Protect …

You can add a password to an Excel file to prevent unauthorized users from opening or modifying it.

Learn how to identify, remove, and prevent unwanted software on your PC.

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.