Align and resize icons on Mac
You can change the alignment, size, and labeling of icons on the desktop or in Finder windows. To change the icon you see for a file or folder, see Create custom icons for files or folders.
On the desktop
On your Mac, Control-click the desktop.
Do any of the following:
Quickly realign icons: Choose Clean Up.
If you don’t see Clean Up, it’s because you set your icons to be sorted automatically or you’re using Stacks to automatically sort your files. To see Clean Up, either choose Sort By > None or verify that there isn’t a checkmark next to Use Stacks.
Align and sort icons once: Choose Clean Up By, then choose an option.
If you don’t see Clean Up By, it’s because you set your icons to be sorted automatically or you’re using Stacks to automatically sort your files. To see Clean Up By, either choose Sort By > None or verify that there isn’t a checkmark next to Use Stacks.
Have icons aligned and sorted automatically: Choose Sort By, then choose an option.
Change the icon size, grid spacing (space between icons), text size, and more: Choose Show View Options, then use the controls to make changes.
In a Finder window
On your Mac, click the Finder icon
in the Dock to open a Finder window.Open the folder you want to change.
Choose View > Show View Options, then make your changes. For example, click the Group By pop-up menu, then choose Date Modified.