Save space on your Mac with compressed messages.

Use Split View when composing new email in full screen.

Instantly find the messages most relevant to your search using Top Hits.

Customize your browsing experience with new per-site settings for Reader, page zoom, content blockers, and more.

Prevent websites and ad networks from tracking your browsing with Intelligent Tracking Prevention.

Stop web video with audio from playing automatically.

Improve your browsing experience with Safari.

Create printed photo products and more using new third-party project extensions.

Rediscover images from your library with new Memories themes including pets, weddings, outdoor activities, and more.

Access third-party apps directly from Photos and save the edited images back to your Photos library.

Fine-tune color and contrast in your photos with new Curves and Selective Color tools.

Conveniently access all of your editing tools in the redesigned Edit View.

Easily locate and organize your content with the new sidebar.

Make short videos from your Live Photos using new Loop and Bounce effects.

It’s macOS at its highest level yet.Įasily organize, edit and view your photos in Photos. macOS High Sierra also refines the features and apps you use every day. New technologies at the heart of the system make your Mac more reliable, capable, and responsive - and lay the foundation for future innovations.

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