This will then open the Choose Application dialog where you can select a different application that you wish to use to open the file as shown in the image below.Īs you can see from the image above, the Choose Application dialog will display a list of applications that you can choose to open this file with. On the other hand, if the program that you wish to use is not listed, then click on the Other. If the program you wish to use is listed, then simply select it from this submenu and the file will open using that program. This submenu contains other programs that the Mac OS thinks could properly open the file and manipulate it in some way. This will open the Open With submenu as shown in the image below. When the file menu opens, click on the Open With option as shown in the image above. To open a file on your Mac using a different program, navigate to the file you wish to open and right-click on it to see the file menu as shown below. It is possible, though, to open the file using another program if you wish. When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file.