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How to Unlock ZIP File without Password

As far as we know, WinZip/7ZIP/ZipItFree are several compression software we often use. In order to prevent data leakage, we tend to set a relatively safe password to encrypt a ZIP file. Once password is set, ZIP is locked. And the users won't be able to unlock ZIP file without the password you set.

Now the problem is what if you forget/lose password and lock yourself out of the ZIP archive. Things seem a little tricky. You can't open all the files/folders archived in the ZIP file. What should you do to unzip a password protected ZIP file in such a situation?

1. Unlock zip file with software

2. Unzip password protected zip file with NSIS

Just take it easy! Things are not as bad as you thought. Becuase you can retrieve the forgotten/lost password from a locked ZIP archive without effort at least by using the specialized tool ZIP Password Refixer. Then you can unlock the ZIP with the password that's recovered.

1. Unlock zip file with software

Steps to unlock ZIP file without password

Compared with other ZIP password cracking software, ZIP Password Refixer should be more easy-to-use, secure, and efficient. It helps retrieve password from ZIP in the shortest possible time without any data loss.

Step 1. Install ZIP Password Refixer on the computer.

Go to the ZIP Password Refixer product page, download and install it on your computer. When installation is completed, you can keep the box next to Launch iSumsoft ZIP Password Refixer checked, uncheck the box next to Visit our website, and click on the Finish to quickly launch this software.

Launch software

Step 2: Retrieve password from locked ZIP

1. Click on the Open button, navigate to the path to the password protected ZIP archive file, and add it into the software.

Import locked ZIP archive

2. Choose an optimal attack type.

It's default attack type is Brute-force, which means it will discover password from all possible characters combinations. Sometimes it may take a little long time to recover password in Brute-force. That's why you need to manually select an attack type that works for you, which will help you unlock ZIP without spending much time, but in the shorter possible time. Knowing more about Dictionary and Mask Password Attack Recovery can help you make a better choice.

3. When all set, click on the Start button. It immediately starts to discover ZIP password. Password will be recovered soon and showed up.

Retrieve ZIP password

Step 3: unzip ZIP file with the password

Note down the recovered password and use it to unzip password protected zip file. Or you can directly click on the Copy button to copy the password. Then click on the Open button to open ZIP archive. Then you can unlock the files archived in the ZIP with the password.

2. Unzip password protected zip file with NSIS

Good news: Now there is another free program called NSIS that can help you open a password protected ZIP file without password. It unzip ZIP file mainly by converting a password protected ZIP archive into an .exe file. As long as you install the .exe file, it will immediately extract the ZIP files without password.

Unlock ZIP with NSIS

NSIS can unlock most ZIP without problem. But it can't rule out that it doesn't work for some ZIP format. Anyway, you can have a try. Believe it won't let you down. Download site: http://nsis.sourceforge.net/Download