How to write a byte array to a File in C# ?

Published on January 26, 2016 by Senthil Kumar

Filed under C#

Last modified January 26, 2016

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If you want to write a byte array to a file in C# , you can use the File.WriteAllBytes . Below is a code snippet demonstrating this.

How to write a byte array to a File in C# ?

using System;
using System.Collections.Generic;
using System.IO;

namespace ACCode
    class Program
        static void Main(string[] args)
            string pathOfFile = "test.txt";
            byte[] byteArray = GetByteArray();
            // Write the byte array to the file.
            File.WriteAllBytes(pathOfFile, byteArray);

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