At present, everyone uses the most optical image file is ISO file, under normal circumstances we want to use Winiso, WinImage and other special tool software to edit it. However, if you have winrar on your computer and the version number is above 3.0, you can also edit the ISO file by winrar. To do this, open the Settings dialog under the WinRAR Option Settings menu. At present, everyone uses the most optical image file is ISO file, under normal circumstances we want to use Winiso, WinImage and other special tool software to edit it. However, if you have winrar on your computer and the version number is above 3.0, you can also edit the ISO file by winrar. A tutorial on computer basics by opening the Settings dialog box under WinRAR's options → settings menu, and clicking "√" in front of the "ISO" check box under "Integrated options →winrar associated with which file".