If you want to make some file in your computer smaller one of the most common procedure is a compression. Especially the zip compression, so called “zipping”. 7-Zip is free software with open source used to compress or zip files secured with encryption.
7-Zip, like WinZip or WinRar, creates a container called archive that holds the files to be protected. That archive can be encrypted and protected with a password. 7-Zip’s encryption facility protects sensitive documents from unauthorized viewing. The contents of the files that you want to protect are encrypted based on a password that you specify.
Download and Installation of 7zip
Visit the 7-Zip website, (at the end of the page) and click “Download” next to the 32-bit or 64-bit version, depending on your computer’s architecture.
in my case the following version options applied:
.exe 64-bit x64
After Downloading , Right click the exe file , then choose Properties from the list.
Click on the General tab, check the Unblock box at the bottom, and click on OK.
Double-click the downloaded file to run the installation. A new window will then appear asking you in what directory do you want to install the 7Zip program. Select the preferred folder that you want to save the 7Zip program. Click “Install” after you have selected the directory.
After 7zip finishes installing, click close.
Please follow these steps to encrypt a file or folder.
Right click on the file or folder to be encrypted.
Select “7-Zip” then “Add to archive…”
Select the Archive format to “Zip”.
Select the Encryption Method to “ZipCrypto”. Then enter your password (We highly recommend to set password with more than 8 characters which consists of alphabets and numbers), Then click “OK”.
That’s all. Now the file is encrypted with password. It will appear in the location you chose, or in the same directory as the file that was archived if no location was specified.
Important: The “Encryption method”
* If you select AES-256 the recipient of the zip file may have to install 7-zip or another zip program to read the file contents.
* Selecting ZipCrypto may allow users to open the zip file in Windows without a zip program. But it does not provide adequate protection against attackers with modern cracking tools.
Please follow these steps to unzip an encrypted folder or file.
Right-click the zipped folder saved to your computer. And Select 7-Zip > then click Extract Here.
You will see a password prompt. Enter the password given to you by the creator of the archive and click OK.
7-Zip will extract the files to the same directory as the original archive file.
Select the file you want to extract from the ZIP archive. Right click And from the contextual menu select 7zip and then select Extract to (your file name).
This will create a folder with the presentation name. Open the folder, you will find folders or files.
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