Understanding how iCloud Photos optimizes photo storage and keeps your originals

Apple makes it possible to have thumbnails of a much larger media collection, but always retains the full-resolution versions.

ios13 macos catalina icloud photos
Apple

Note: When you purchase something after clicking links in our articles, we may earn a small commission. Read our affiliate link policy for more details.

Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.
  • Follow