This quick tutorial covers how to extract password protected ZIP file in C#. It discusses the step-wise process along with a runnable sample code to extract ZIP with password in C#. Furthermore, you do not need to install any additional tool to integrate this feature into your application.

Steps to Extract Password Protected ZIP File in C#

1. Prepare the IDE by installing Aspose.ZIP for .NET library
2. Set the decryption password with an ArchiveLoadOptions class object
3. Load the source ZIP directory using the Archive class
4. Extract the password-protected ZIP file

These steps precisely describe all the details to open encrypted ZIP file in C#. In the first step, you need to specify the decryption password to unlock the archive. Secondly, load the encrypted ZIP file and extract all of its contents to the specified directory.

Code to Extract Password Protected ZIP File in C#

This sample code demonstrates how to unzip password protected ZIP file in C# by specifying the password string for decryption. However, there are many other options that you can utilize to extract ZIP files. For example, using partially forgotten passwords or extracting the files with the brute force attack approach depending on your use cases.

This simple tutorial has covered how to unzip file with password. However, if you want to learn the process to encrypt ZIP files with a password in C# then read the article on how to password protect a ZIP file in C#.