GzipArchive.Open method

Opens the archive for extraction and provides a stream with archive content.

public Stream Open()

Return Value

The stream that represents the contents of the archive.


Read from the stream to get original content of file. See examples section.


Extracts the archive and copies extracted content to file stream.

using (var archive = new GzipArchive("archive.gz"))
    using (var extracted = File.Create("data.bin"))
        var unpacked = archive.Open();
        byte[] b = new byte[8192];
        int bytesRead;
        while (0 < (bytesRead = unpacked.Read(b, 0, b.Length)))
            extracted.Write(b, 0, bytesRead);

You may use Stream.CopyTo method for .NET 4.0 and higher:


See Also