BestSync Portable (64-bit) synchronizes files between PCs by utilizing USB drive. Synchronize a folder with a ZIP file, support AES cryptographic algorithm to protect the zip file with password. Synchronize Outlook (mail, contact) and Windows Mail between PCs by utilizing USB drive. Backup your critical files to the external hard disk, network storage by scheduler. Preview to confirm the hit file, and modify the action before starting synchronization. File filtering and excluding function to synchronize necessary files only. Resolves conflict intelligently and automatically. Can detect file copying, deleting and moving.