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ZIP Password Unlocker Technical FAQ

• Q: 1. What are the differences between Brute-force Attack and Brute-force with Mask Attack? How can they do?
• Q: 2. What's the "Character Set" and how can I set it?
• Q: 3. What's the meaning of "Prefix" and "Suffix" in Brute-force with Mask Attack?
• Q: 4. What is "Dictionary Attack" and how to create your own dictionary?
• Q: 5. What does "Smart Mutation" mean and how to set it?
• Q: 6. I added my own dictionary to the program, but why does the program still use the default dictionary when I run the program?
• Q: 7. What is the "Program Priority"?
• Q: 8. What if I stop recovering the password?
• Q: 9. What does "Enable Auto-save "mean?
• Q: 10. What versions of Office does it support?
• Q: 11. What is the system Requirements of Office Password Unlocker?
• Q: 12. What's the difference between the trial version and full version?

• Q: 1. What are the differences between Brute-force Attack and Brute-force with Mask Attack? How can they do?
• A: There are 3 available attacks in ZIP Password Unlocker to recover lost Office password with Brute-force Attack, Brute-force with Mask Attack and Dictionary Attack.
• Brute-force Attack can help you try all possible combinations if you remember nothing about the password. If you remember some information like symbols, characters or length of the lost password, Brute- force with Mask Attack is better for you to save the recovery time by restricting the search area.


• Q: 2. What's the "Character Set" and how can I set it?
• A: It is only available for "Brute-force with Mask Attack" . It can instruct the program what characters have been used in the password and restrict the search area.

• For Example, if you know that your forgotten Word password contains 5-9 characters which is composed of letters and numbers, and starts with "M", ends with "n", then you can do it like this to shorten your recovery time.

  • (1). Check the a-z box, 0-9 box, A-Z box
  • (2). Set Prefix ="M", Suffix="n";
  • (3). Set Min Length = "3" and Max Length ="7".
  Note: For there are 2 characters known as "M" and "n", thus the unknown password length must be 3-7."Custom Character Set" is provided for you to define your own character set which has been used in the password.


• Q: 3. What's the meaning of "Prefix" and "Suffix" in Brute-force with Mask Attack?
• A: Prefix is the first one or several characters of the password.
• Suffix is the last one or several character of the password. Enter it into the checkbox if you remember. Both of them are used in Brute-force with Mask Attack.


• Q: 4. What is "Dictionary Attack" and how to create your own dictionary?
• A: Dictionary Attack is an effective attack for you to recover lost password with a default dictionary provided in the program. The program will try every password in the dictionary. Besides, you can add your own dictionary to the program for less time-consuming with the most possible passwords you used, such as your name, birthday, pet name, door number or others. "Dictionary Attack" is unavailable if you try with the trial version.


• Q: 5. What does "Smart Mutation" mean and how to set it?
• A: Smart Mutations allows you to try combinations among passwords in the dictionary.


• Q: 6. I added my own dictionary to the program, but why does the program still use the default dictionary when I run the program?
• A: It will be ok if you empty the path of the default dictionary.


• Q: 7. What is the "Program Priority"?
• A: Windows is a multi-tasking operating system that allows users to run multiple programs simultaneously. By default, all processes are at normal priority. If you want to assign a higher priority to more important task, Windows will ensure that the critical task will not be interrupted by less important background tasks, and the speed of critical task will be high.


• Q: 8. What if I stop recovering the password?
• A: The program will save the recovery process automatically and resume the process when you run the program again even though the recovery process is suspended. And what's more, your PC will automatically shut down when the recovery task finished.


• Q: 9. What does "Enable auto-save "mean?
• A: "Enable Auto-save" means when doing password recovery, the program will auto-save the cracking process in continue_rar.dat in every 15 minutes (default).


• Q: 10. What versions of ZIP does it support?
• A: It supports encrypted ZIP files created by WinRAR 4.01 and its previous versions.


• Q: 11. What is the system Requirements of ZIP Password Unlocker?
• A: Support Microsoft Windows 2000/2003/2008/ XP/Vista and Windows 7 (32-bit or 64-bit)
• 1 GHz processor (2.4 GHz is recommended)
• 512 MB of RAM (1GB is recommended)
• 15 MB of free hard disk space

• Q: 12. What's the difference between the trial version and full version?
• A:Trial version recovers 3 characters of your lost ZIP password at most.
• Trial version doesn't support Dictionary Attack.