How to Unlock Password Protected ZIP File?

Eric Gilreath
5 min readFeb 24, 2021

This question is asked quite often in forums as to how to unlock Password protected ZIP file. You acquire or download of software from any particular website hoping to see the contents or extract the software setup file, but hopelessly end up with a ZIP file which does not budge to open up.

Now what? You cannot delete it since you know how important the file is, and you don’t know the key at the same time. The only probable solution to this predicament is to ask for a help from someone who is good at these things.

Will you get it done at free of cost? I don’t think so. So better buckle up, and start reading the methods mentioned below and you will know in time that you can unlock ZIP file password all on your own without any external help from outsiders.

#1: Unlock ZIP File with Password using Notepad

Notepad you will find already pre-installed in your Windows computers. But how can a notepad program be able to unlock ZIP file? Well that’s the surprise. We would explain that in the section below:

Step 1. First of all right click on the zip file and choose to open it with notepad.

Step 2. On the second line of the file contents replace the keyword Ûtà with ⁵³tà’.

Step 3. Once you have rendered the changes, save the file and open it up this time without password and it actually works. Voila!

#2: Unlock Password Protected ZIP file with NSIS

NSIS is really a mighty and free utility which can unlock ZIP password, and can extract the file contents without any password. So if you have stumbled upon the situation of forgetting the password, then surely this free method will work for you. Read ahead to know how it works:

Step 1. Download the NSIS free tool to your computer storing the locked ZIP file and install it properly.

Step 2. Run it with double click and choose the “Installer based on ZIP file” option on the tool interface.

Step 3. So a new pop up window will come to your view and you can click on “Open” button to browse and fetch the locked ZIP file. Choose the file and it will be added onto the tool interface.

Step 4. Now click from the bottom right corner the “Generate” option and when the generation is completed, close the Window.

Step 5. Next you can see an exe file along with the NSIS icon with your ZIP name at the location of your locked ZIP file. Just run the exe file and move ahead to install it using instructions shown one after another.

Step 6. After this particular installation is finished, you can extract the ZIP files without password hindrance.

Wonderful, isn’t it? Now let’s try some a different approach.

#3: Crack ZIP File Password using Dr.ZIP

Users have reportedly faced grave confusions using online free tools, thus in this section we would advise you one offline tool which can recover the ZIP password in no time, it’s Dr.ZIP, which can do the recovery job with WINZIP, 7ZIP, ZIP file formats also.

Moreover, it can support nearly all the Windows OS versions, for both desktop and Server OS. Additionally, it comes with 4 important attack types- Brute Force, Mask, Smart, Dictionary attack.

Step 1. Go to the tool’s official website and download it from there to your computer.

Step 2. Launch it after proper installation and when the tool interface appears, choose your locked ZIP file using “Open” button to browse it.

Step 3. Select your attack type and enter the additional password information, whatever you lingers your memory.

Step 4. Done with it? Click on “Start” button and the recovery process will begin instantly.

Step 5. A pop up window will appear immediately. This is the clear indication of your successful password recovery.

Step 6. Use the recovered password to access your locked ZIP file. It will definitely work out without fail.

#4: Unlock Password Protected ZIP File Password Online

This online tool service which can give you the same result like other tools, but the algorithm to remove password is a bit different than others, it only can remove the owner password from PDF rather than open password.

So what you have exactly got to do is explained in steps:

Step 1. Visit the link here.

Step 2. Click on the “Drag and drop files to click or select” region and you will be asked to browse and upload your locked zip file.

Step 3. On doing so, the password and file content extraction both will be started.

Step 4. After the password is removed, you can download the file without any password.

Conclusion:

If you can deduce cleverly as to which tool is the best among the three described above, then you will realize that Dr.ZIP is best for your endeavor. Why? You can use it with any Windows OS. Moreover, you have different attack types to facilitate your recovery. Besides, the other two methods might fail due to poor internet connectivity with online tool approach and confusion with the WinRAR method.

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Eric Gilreath
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Eric Gilreath is a freelance writer working on some tech site and learning fast through Self Publishing tech’s blog and podcast. She loves running, climbing.