You can change a Mac folder's default blue icon to any picture or color you want. It's a great way to personalize your computer and make your most important files stand out.

If you use Mail and organize your messages into folders, you might find that some of your folders have a white folder icon, while others have a blue folder icon. For instance, if you’ve ever ...

But with a simple Terminal trick, instead of the boring blue folder icon, you can see the boring blue folder icon…with cycling animated icons representing each of the files within the folder.

Change your folder icons. If you’re tired of the same blue folder icons Apple’s been using for years, switch it up with some custom ones. If you have a .ICN file, you can just grab and drop ...

Another significant change was the removal of the file portion itself. For example, the Pictures folder previously showed a photo with the partially open folder. The new design shows a blue folder ...