7z Password Protect 'link' -
Right-click → 7-Zip → Add to archive…
For advanced users, here are some commonly used 7z command-line options: 7z password protect
7-Zip uses strong encryption. If you lose the password, the data is gone forever. There is no backdoor. Right-click → 7-Zip → Add to archive… For
Note: 7-Zip does not automatically delete your original files after creating an archive. If you want to hide files, you must delete the originals. you must delete the originals.


