When using macOS Finder in List view, you'll see the sizes of individual files – but not folders. Instead, folders show a pair of dashes (--) in the Size column. macOS skips calculating folder sizes ...

Folder Quick Look is a totally free Mac app that scratches an irritating itch the Mac has had for a long time. It lets you preview the contents of a folder when using Quick Look. It’s a great utility ...

To organize files and folders on your disk, you may choose to have the Finder calculate the size of folders on your disk. This can be done by either getting info on a particular folder, or by going to ...