Are you looking for a way to unlock password protected zip file without password and that too without losing any data then you can use eSofttools Zip Password Recovery software which works very well and can use three best unlocking methods to unlock zip file password, Brute Force Attack, Mask Attack and Dictionary Attack. This software is available in all languages which can be used by any user and you can also try its free demo which is free at the cost of unlocking the first three letters.