Lock A Folder is a security and privacy program developed by Estelar Software for Windows. It allows users to protect their sensitive files and folders by locking them with a password. With this program, users can ensure that their sensitive data remains safe and inaccessible to unauthorized persons.

Lock A Folder offers a simple and user-friendly interface that allows users to easily navigate and customize locked folders. The program supports multiple file formats, allowing users to block different types of files and folders. Additionally, it provides the ability to hide locked folders, making them invisible to others.

One of the key features of Lock A Folder is its ability to protect files and folders even in safe mode. This ensures that locked data remains safe even if someone tries to access it through Safe Mode. The program also offers the ability to automatically lock folders at system startup, providing an additional level of security.

Overall, Lock A Folder is a reliable and effective program for protecting sensitive files and folders on Windows. Its intuitive interface and robust security features make it a valuable tool for users who prioritize privacy and data security.