You can use the macOS Finder's Copy command to copy and paste files. But here's how to use the same command to copy file icons into Preview. You've probably used the macOS Finder's popup contextual ...

There's a lot to love about Mac, but one of its quirkier features is how easy it is to change icons for files and folders. By default, a file is depicted by a piece of paper, while folders are -- well ...

Most Mac users will be familiar with Finder's ability to display icon previews for file types that it recognizes. The Finder icon for a JPEG image for example will show a small thumbnail-sized version ...