We show you multiple ways using which you can change File Type.r Extensions or Format on Windows 11/10. You can also use the Command Prompt.

A DNG file (Digital Negative) is an Adobe raw image file format. See how to edit an image in DNG format on Windows 11/10.

To change desktop icons on a Mac, open the "Get Info" menu and paste in the picture you want to use. On a PC you'll need to make a .ICO file, since that's what Windows uses for icons.