Winrar and Winzip Password Recovery, is it possible?

Someone asking me is it possible to use password recovery software to "brute forcing" your Winzip or Winrar password. It sound promising when you googling to the net and finding a software come with the promise "able to recover your lost password". You download that software, installing it on your computer, and let’s the software work. But when you see the estimate time to guess, you put aside that file..