Here is how you can re-index a drive or folder so that it is displaying items correctly in “storage.” Step 1: Go to Apple () menu and choose, System Preferences. Step 2: Select the spotlight app. Step 3: Click on privacy. Step 4: Click and drag a drive or folder to the list. Step 5: Confirm “ok” if asked. Step 6: Next you will remove the item that you just added by highlighting it and then by clicking on the “-” button which is located below. Step 7: Close preferences and check your drive from: () -> About this Mac -> Storage.