WinRAR has a built-in feature to remember passwords you've used in the past. If you've used this password before on the same computer, it might be saved. Set default password
Explain how to so they aren't easily cracked. How would you like to proceed ? How to Remove Password from WinRAR File | 2 EASY Ways winrar password unlock
Now that you have fought through a nightmare, implement these rules: WinRAR has a built-in feature to remember passwords