The best file and folder lock software depends on whether you need a lighter local privacy tool or a broader folder-protection workflow that also covers external drives and advanced access control.
1. You want lightweight local file privacy.
2. You mainly need hide mode, basic locking, and password protection on the PC itself.
3. You do not need shared-folder or broader external-drive coverage.
You need stronger folder controls, broader coverage for external drives or shared folders, and a more complete file-protection workflow for office or business use.
For most users searching broadly for the best file and folder lock software, File Lock Pro is the better match if requirements may grow. File Lock is the better fit when the need is lighter local privacy only.