Have you forgotten the password you added to a file you compressed in ZIP? Well, not all is lost, as you still have the chance to recover it using a program like ZIP Password Recovery Magic.
ZIP Password Recovery Magic lets you recover passwords to ZIP compressed files. For this it is possible to do so in two different ways: brute force (trying all combinations possible) or via a dictionary (with the most common passwords).
As the recovery process could take some time, it is possible to pause the recovery process; as ZIP Password Recovery Magic works in the background, you won`t have a problem leaving it to work for hours until it finds the password.