No specific info about version 8.1. Please visit the main page of Drive Lock on Software Informer.
Lock folders, encrypt files, protect data and USB drives.
Helps you password-protect or hide important documents.
Password-protect USB flash drives by creating a hidden and encrypted partition.
Prevent unauthorized users from accessing your files and folders.
Folder Lock Lite is a revolutionary concept in data security engineered for home.
Use a physical USB device to lock your computer instead of a password.