How to

change file extension

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Published: 25. October 2011 | Updated: 25. October 2011
License: Microsoft Public License (MS-PL)
Categories: File system » Files
Tags: C# File System Text

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Snippet code shows how to change file extension.

Import namespace

using System.IO;

Code

string path = @"C:\Test\file.txt";
string newExtension = "jpg";

string changed = Path.ChangeExtension(path, newExtension);

// renames file
File.Move(path, changed);

Console.WriteLine(changed);

Console Output:

C:\Test\file.jpg

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