If you have forgotten the password to a ZIP file you own, there are safe, legitimate ways to recover it: :
: Many professional recovery tools offer a "try before you buy" version that can show you the first few characters of a password or recover very short passwords for free.
: There are web-based services that can attempt to unlock files for a fee. Only use these if you trust the provider with the contents of your file.
: Maintain an unencrypted backup of critical files in a physically secure location.