Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips. Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.
The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats. The app is built into Windows, ensuring ...
System protection in Windows is a recovery feature designed to help you safeguard your system settings. It primarily involves creating and managing restore points, which are snapshots of system files, installed applications, Windows Registry, and system settings at a specific point in time.
Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.
Microsoft 365 Family and Microsoft 365 Personal give you advanced protection from viruses and cybercrime, tools to help keep your information secure and private, and ways to recover your files from malicious attacks.
Important: Worksheet level protection isn't intended as a security feature. It simply prevents users from modifying locked cells within the worksheet. Protecting a worksheet is not the same as protecting an Excel file or a workbook with a password. See below for more information: To lock your file so that other users can't open it, see Protect an Excel file. To prevent users from adding ...