
Now you can go create all the folder icons you want. Open the image in your Macs Preview app, by. If you ever want to change or delete the new custom icon, just open the file info window for that folder, select the icon you created in the top of that window, and press delete on your keyboard. Customise any folder or file Open a Finder window and navigate to the image you want to use as your new icon. psd file you just created/exported, and drag it onto the blue folder icon in the file Info window you just opened. Right-click on the folder and choose Get Info from the drop-down menu. Hold down Control and click the file name, then select. psd file in a separate Finder window, select the. Locate the folder that you want to customize. If you like the look of another file icon, navigate to that file. When the file info window appears, all you have to do is locate the. Select it with your mouse, and either press Command+I on the keyboard, or right click and select "Get Info" from the pop up menu. You'll need to locate the folder you want to change the icon for. Save the exported file as 300ppi in the export settings, and in the same location as the original image. If you're using Illustrator, you need to export the file as a. You've already saved the file in the right format. If you're using Photoshop, you're good to go. Keep in mind (depending on what size your current icons are) the icon you create will be small, so you'll need to keep the design very simple if you want to be able to tell what it is, at the actual size. The customized icons seem to work best as a square image, so I usually start with a 1x1 inch image.

I prefer using Illustrator, but Photoshop works just as well.
