PhotoRec is a free and open-source data recovery software designed to recover lost files from various storage devices, including hard drives, memory cards, and USB drives. It works by bypassing the file system and scanning the underlying data, making it effective even when the file system is damaged or corrupted. The software supports a wide range of file formats, including images, videos, and documents. PhotoRec is compatible with multiple operating systems, such as Windows, macOS, and Linux, making it accessible for users across different platforms. Its user-friendly interface allows even non-technical users to recover their lost files with ease.