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How to Merge several ZIP files to a single ZIP using C#

In order to merge several archives into one, we’ll use

Aspose.ZIP for .NET

API which is a feature-rich, powerful and easy to use archive manipulation API for C# platform. Open

NuGet

package manager, search for Aspose.ZIP and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command


PM> Install-Package Aspose.Zip

Steps to Merge ZIP archives to one ZIP via C#

Combine several archives to another single one consist of following steps:

  1. Define full path to archives.
  2. Prepare an empty folder that will be used as intermediate storage.
  3. Using the Archive objects, extract their content to intermediate folder using its ExtractToDirectory method.
  4. Compose destination archive of desired format, supplying intermediate storage as their source.
  5. You will get merged archive having overall content of those archives.

System Requirements

Before running the merger example code, make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET Framework, Mono and COM Interop.
  • Development environment like Microsoft Visual Studio.
  • Aspose.ZIP for .NET DLL referenced in your project.

Merge two ZIP archives to ZIP - C#


     string intermediateStorage = "storage";
	DirectoryInfo stored = Directory.CreateDirectory(intermediateStorage);
	using (Archive source1 = new Archive("source1.zip"))
		source1.ExtractToDirectory(intermediateStorage);
	using (Archive source2 = new Archive("source2.zip"))
		source2.ExtractToDirectory(intermediateStorage);
	using (Archive merged = new Archive())
	{
		merged.CreateEntries(stored, false);
		merged.Save("merged2.zip");
	}
	stored.Delete(true);

    • Free App to Merge ZIP

    Check our live demos for ZIP merger with following benefits.

      No need to download or setup anything.
      No need to write any code.
      Just upload your ZIP archives and hit the "Merge" button.
      You will instantly get the download link for combined ZIP file.
    A reliable Aspose.ZIP Library that can compress, extract, encrypt, decrypt, convert and merge archives. Aspose.ZIP for .NET API allows to manipulate various archive types without without going into the underlying complexity of the compress file formats with minimum coding efforts.

    Other Supported Merge archives

    You can also combine ZIP into many other file formats including few listed below.

    ZIP TO ZIP (Zipped (compressed) Files)
    ZIP TO 7ZIP (7zip Archive)
    ZIP TO TAR.BZ2 (Burrows–Wheeler Compressor)
    ZIP TO CPIO (Copy In, Copy Out Archive)
    ZIP TO TAR.GZ (Streaming Deflate Compressor)
    ZIP TO TAR.LZ (LZMA Multi-Block Compressed Data)
    ZIP TO TAR (Tape Archive)
    ZIP TO TAR.XZ (Container for Compressed Streams)
    ZIP TO TAR.Z (LZW Compressor)