ZipFile.CreateFromDirectory Method (String, String)

.NET Framework (current version)

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Creates a zip archive that contains the files and directories from the specified directory.

Namespace:   System.IO.Compression
Assembly:  System.IO.Compression.FileSystem (in System.IO.Compression.FileSystem.dll)

public static void CreateFromDirectory(
	string sourceDirectoryName,
	string destinationArchiveFileName


Type: System.String

The path to the directory to be archived, specified as a relative or absolute path. A relative path is interpreted as relative to the current working directory.

Type: System.String

The path of the archive to be created, specified as a relative or absolute path. A relative path is interpreted as relative to the current working directory.

Exception Condition

sourceDirectoryName or destinationArchiveFileName is Empty, contains only white space, or contains at least one invalid character.


sourceDirectoryName or destinationArchiveFileName is null.


In sourceDirectoryName or destinationArchiveFileName, the specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must not exceed 248 characters, and file names must not exceed 260 characters.


sourceDirectoryName is invalid or does not exist (for example, it is on an unmapped drive).


destinationArchiveFileName already exists.


A file in the specified directory could not be opened.


destinationArchiveFileName specifies a directory.


The caller does not have the required permission to access the directory specified in sourceDirectoryName or the file specified in destinationArchiveFileName.


sourceDirectoryName or destinationArchiveFileName contains an invalid format.


The zip archive does not support writing.

The directory structure from the file system is preserved in the archive. If the directory is empty, an empty archive is created. This method overload does not include the base directory in the archive and does not allow you to specify a compression level. If you want to include the base directory or specify a compression level, call the CreateFromDirectory(String, String, CompressionLevel, Boolean) method overload.

If the archive already exists, an IOException exception is thrown. If an entry with the specified name already exists in the archive, a second entry is created with an identical name.

If a file in the directory cannot be added to the archive, the archive is left incomplete and invalid, and the method throws an IOException exception.

This example shows how to create and extract a zip archive by using the ZipFile class. It compresses the contents of a folder into a zip archive, and then extracts that content to a new folder. To use the ZipFile class, you must reference the System.IO.Compression.FileSystem assembly in your project.

using System;
using System.IO;
using System.IO.Compression;

namespace ConsoleApplication
    class Program
        static void Main(string[] args)
            string startPath = @"c:\example\start";
            string zipPath = @"c:\example\";
            string extractPath = @"c:\example\extract";

            ZipFile.CreateFromDirectory(startPath, zipPath);

            ZipFile.ExtractToDirectory(zipPath, extractPath);

Universal Windows Platform
Available since 10
.NET Framework
Available since 4.5
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