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Mac Photos Library How To Reduce Disk Space Usage

What to do when iPhoto and Photos take up too much storage space on a Mac On the same drive, macOS and Photos conserves space. When you copy the library, it expands. Mar 29, 2018 Determining if you have a large amount of 'System' disk usage. To see if this method will help you reclaim some disk space we need to check the macOS System Information. Click the  from your desktop. Click About This Mac. Click the Storage tab. May 07, 2015  GrandPerspective, the free disk space mapper I recommended last week, quickly shows just how out of control the photo libraries have become: my OS X Photos and Aperture libraries are the two huge. May 11, 2015  Settings are: do not copy images to library, no use of iCloud Photo Library (and thus no 'optimize Mac space usage'). Inside the library file, the Thumbnails directory uses a sane-looking 16.66GB, Previews is 7.29GB, and Masters uses only 1.35GB, since almost all images are still stored in Aperture referenced masters on external SSD.

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Mac Photos Library How To Reduce Disk Space Usage Windows 10

System Information User Guide

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macOS can help make more room on your Mac by optimizing its storage. When space is needed, it keeps files, photos and videos, Apple TV movies and shows, and email attachments in iCloud and makes them available on demand. Files don’t take up space on your Mac, and you can download the original files when you need them. Recent files and optimized versions of your photos are always on your Mac.

  1. Choose Apple menu > About This Mac, click Storage, then click Manage.

    macOS calculates how much space is being used by different categories.

    Note: Wait until all categories are finished being calculated to ensure you’re seeing the accurate amount of space. Values are refined as each category is calculated.

  2. View the recommendations and decide how to optimize storage on your Mac.

    Recommendation

    Description

    Store in iCloud

    Helps you store files from your Desktop and Documents folders in iCloud Drive, store photos and videos in iCloud Photo Library, store messages and attachments in iCloud, and optimize storage by keeping only recently opened files on your Mac when space is needed.

    See Use iCloud Drive to store documents on your Mac, iOS, and iPadOS devices, Use iCloud Photos to store photos in iCloud, and Use Messages in iCloud.

    You can modify these settings later in iCloud preferences, Photos preferences, and Messages preferences.

    Optimize Storage

    Save space by automatically removing Apple TV movies and shows that you already watched and by keeping only recent email attachments on this Mac when storage space is needed.

    See Change Files preferences in the Apple TV app and Mail Account Information preferences.

    Empty Trash Automatically

    Automatically erase items that have been in the Trash for more than 30 days. You can modify this setting later in the Finder. See Delete files and folders.

    Reduce Clutter

    Quickly find files, apps, books, movies, and other items that are taking up space, then manually delete items you no longer need. See Find and delete files.

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When space is needed on your Mac, macOS also clears caches and logs that are safe to delete, including temporary database files, interrupted downloads, staged macOS and app updates, Safari website data, and more.

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Note: If your disk is partitioned, recommendations apply to only the partition that contains your home directory.

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To see an overview of used and free disk space, choose Apple menu > About This Mac, then click Storage. See available storage space.