My LockboxMy Lockbox 
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My Lockbox (mylbx.exe). If in search of a simple software solution to protect and hide all your sensitive data from prying eyes...
Protects your work files and sensitive folders from unauthorized access with a secure master password, while intelligently preventing users from accidentally locking critical Windows system folders.
If you’re looking for a simple and free file protection tool for Windows, My Lockbox delivers one of the easiest ways to lock and hide your private data from prying eyes. With a single click from the context menu, you can password protect folders on your PC, including all subfolders, blocking both local and remote access with reliable data security.
Its password-based protection ensures that only you can access your private files. In case of a forgotten password, you can set up a hint and recovery email for secure identity verification. During installation, you choose one “master folder” to lock by default. While the free version secures one main folder, you can add unlimited subfolders inside it, making it an effective free folder lock software for Windows.
You can change the protected folder anytime using the “Set folder” button, and lock or unlock it instantly from the main interface. My Lockbox also integrates with the right-click menu for quick access without opening the app. Advanced options let you set auto-lock timers, manage notifications, hotkeys, passwords, and updates, and define trusted software that can access protected folders for tasks like backups. To keep your system safe, the program blocks attempts to lock essential Windows system directories.
If you need to secure more than one main folder, you can upgrade to the Pro edition, which removes the one-folder limitation while keeping all existing features. Compared to more complex tools, My Lockbox may offer fewer advanced controls, but as a free data security solution that works reliably, it remains a powerful and lightweight alternative for everyday file protection.
• One-click folder lock and unlock directly from the context menu • Secure password protection with hint and email recovery • Free version supports unlimited subfolders inside one master folder • Auto-lock timer, hotkeys, notifications, and trusted app access • Built-in protection against locking critical Windows system folders