This guide shows you how to open DLL Files on a Windows 11/10 PC using dotPeek decompiler and Microsoft Visual Studio.

You can open the software with Notepad, which is shown, or you can open with another program such as Visual Studio, Excel or Notepad++. Click the program you want to use to open the file.

File is too large for Notepad or File is too big to be opened by Notepad++? Its because of limitations. Do this to to open Large Text Files in Windows 11/10.