To unlock files or folders:
Right click on the locked file or files and select "Unlock Selected
Files".
Then, enter the password and Select OK.
Unlock encrypted files and folders
As with locking multiple files, before completing the operation, you
can refine your list of files to unlock.
If you have forgotten or misplaced the password, you can use the "Hint"
providing you entered a hint at the time that you locked the file.