Set custom app icons on macOS Big Sur Step 1: Collect custom icons for your apps in PNG formatīefore you change the default app icons, you need to collect the custom icons that you’ll use as replacement icons for your apps on macOS.
Set custom app icons on macOS Big Sur Step 1: Collect custom icons for your apps in PNG formatīefore you change the default app icons, you need to collect the custom icons that you’ll use as replacement icons for your apps on macOS.
