One minute of iPhone ProRes is about 6 GB. Here is where it goes on your Mac
ProRes video and ProRAW photos from Pro iPhones are huge by design. How big they are, where they land after import, and how to keep them from filling the Mac.
730 guides
Mac storage, explained.
What fills your disk, where it hides, and what is safe to remove. Every guide gives you a way to check it on your own Mac.
How much space does video take? Per minute, by resolution, from phones and cameras
A reference table for how many MB or GB a minute of video takes at each resolution and frame rate, and how to work out what fits on your Mac.
Joined a family Shared Photo Library? Every photo in it can land on your Mac too
A Shared Photo Library uses only the creator's iCloud storage, but it downloads to every member's Mac. How to see and control the local cost.
Photos says there is not enough space to import: how to finish the import anyway
Importing a phone or camera fills the Mac before it finishes. Free enough space in minutes, or send the import to an external drive instead.
Make a video file smaller on a Mac with tools already installed
QuickTime, Finder and a built-in command can all shrink a video, often to a quarter of its size. Which to use, what quality you lose, and how to check it.
Your Mac does not have enough space to back up your iPhone: four ways around it
A full iPhone backup can need 50 GB or more. Free enough space, back up to iCloud instead, or send backups to an external drive safely.
The App Store says there is not enough space, but the app is smaller than your free space
Big apps need room to download and unpack at the same time, often much more than their listed size. How much to free, and where to find it quickly.
An old iPhoto Library is still on your Mac. Deleting it may free much less than it shows
Upgrading from iPhoto or Aperture to Photos left the old library behind. Why it may share files with Photos, and how to check what deleting it would really free.
The Photo Booth library: years of webcam clips you forgot you took
Photo Booth saves every photo and video in its own library in Pictures. Videos add up. How to check its size and clear it without losing favourites.
Make a PDF smaller on a Mac, without making it unreadable
Preview can shrink a PDF in one click, but often too far. How to reduce PDF size on a Mac with Preview, and a better option when text needs to stay sharp.
Your Keynote presentation is 2 GB: the built-in command that shrinks it
Keynote keeps full-size photos, videos and cropped parts of images. Reduce File Size removes what is not needed. What it changes, and how to check first.
A PowerPoint deck that is too big to email: shrinking it on a Mac
Pictures and video make PowerPoint files large. How to see what is inside a .pptx on a Mac, compress pictures in one step, and keep videos from bloating it.