custom extension

  1. Windows 10 Make a file extension that acts the same as a different one

    I want to be able to have a file extension that acts the same as a different one for example lets say i would like a file extension called .duffka i want the file extension to be able to act the same way a .zip and even be read by the same programs a .zip could be all i know is that you need the...
    • Duffka
    • Thread
    • custom extension file extension file format file management program compatibility registry editor software development tech tips windows zip files
    • Replies: 3
    • Forum: Windows Help and Support