Mac Os Mojave Hard Drive Available Purgeable

01.08.2020by
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Installing the Mac operating system on an external drive is the safest way to get a good look at a new OS without changing anything on your Mac. In fact back when we started running Mojave.

Instead of working hard, Apple chooses to work smart (for the most part, looking at you, G4 Cube). Instead of making your hard drive bigger, they’ve tackled the problem of limited space on your Mac with cloud storage. Which, in its turn, created a slice on your storage bar named “Purgeable”. Now let’s take a look at how did that come about.

What is Purgeable disk space on Mac?

Purgeable storage consists of files that macOS deems suitable for removal. Something that can be literally purged away from your drive and cause no trouble. The appearance of Purgeable storage is connected to the feature of Optimized storage in macOS. When Optimized storage is turned on, loads of files get moved into the cloud and for some of them, actual presence on your drive is optional. But for which exactly?

Which files are considered Purgeable?

Nobody can be a hundred percent sure, but the main guess is that these are both your files and system-generated files that comply with two criteria:

  1. They’re like really old and you haven’t opened/used them in a while.
  2. They are synced with iCloud so their original file can be removed from your Mac.

Purgeable files can be of any type. From watched movies in your iTunes to applications languages you’ve never used.

But what renders them purgeable and what does it mean? The system finds these files and knows that when you start running out of space and you have your Optimized Storage turned on, it can remove these files to give you more space.

How do I view my Purgeable Storage?

You can see how much space your macOS can purge in a number of places:

  • The first option, and the most visual one is your native storage tab. To access it choose About This Mac in the Apple menu then switch to the Storage tab.
  • In the Status Bar of your Finder when it’s turned on (to turn it on click on View and then Show Status Bar).
  • Another way would be to click on Go in the top menu, choose Computer right-click on your hard drive > Get Info
  • Also, View > Options panel will turn on the display of hard disks on the Desktop.
  • Finally, you can simply ask Siri how much free space you have left.

How to clear Purgeable space on Mac?

You don’t usually need to delete purgeable space on your own, but if it really bugs you, jump to the next headline. Purgeable space is labeled so that you know: whenever there’s a free-space issue, you’re safe because your macOS will automatically clear up that purgeable space and it will become free space instead.

The only thing you need to do to have your macOS removing these files when it’s needed is to have your Optimized Storage turned on. To do it, go to the Storage tab in About This Mac menu and click Manage. Now you can turn any option you’d like to be synced with iCloud. You can read more on Optimized Storage and how to use it.

Mac Os Mojave Hard Drive Available Purgeable

Is there a way to force remove Purgeable space on Mac?

Yup. It’s pretty easy and all you need is a Mac maintenance app like CleanMyMac X that does exactly what macOS does — detects useless files — but unlike macOS, lets you remove them quickly.

Now, to remove purgeable space in just a few clicks:

  1. Download CleanMyMac X for free.
  2. Go to the Maintenance tab.
  3. Choose Free Up Purgeable Space.
  4. Hit Run.

Once you’ve reclaimed purgeable space, use CleanMyMac’s Smart Scan tool to remove junk files, speed up the system and scan your Mac for malware — all in one go.

Purgeable Data Mac


Also, it’s a good idea to clear your browser extensions, old Wi-Fi connections, and apps you don’t use once in a while. Simply in a form of general Mac system hygiene.

That’s about all you need to know about what is purgeable space on Mac, so we hope this article has been of help. macOS is a great addition to Mac, we’re glad it has space-saving features and other cool stuff (Siri!) but it could’ve been a bit clearer to users, that’s for sure. Anyway, have a good day and keep your Mac clean.

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Disk Utility User Guide

Disk Utility on Mac supports several file system formats:

  • Apple File System (APFS): The file system used by macOS 10.13 or later.

  • Mac OS Extended: The file system used by macOS 10.12 or earlier.

  • MS-DOS (FAT) and ExFAT: File systems that are compatible with Windows.

Apple File System (APFS)

Apple File System (APFS), the default file system for Mac computers using macOS 10.13 or later, features strong encryption, space sharing, snapshots, fast directory sizing, and improved file system fundamentals. While APFS is optimized for the Flash/SSD storage used in recent Mac computers, it can also be used with older systems with traditional hard disk drives (HDD) and external, direct-attached storage. macOS 10.13 or later supports APFS for both bootable and data volumes.

APFS allocates disk space within a container on demand. The disk’s free space is shared and can be allocated to any of the individual volumes in the container as needed. If desired, you can specify reserve and quota sizes for each volume. Each volume uses only part of the overall container, so the available space is the total size of the container, minus the size of all the volumes in the container.

Choose one of the following APFS formats for Mac computers using macOS 10.13 or later.

  • APFS: Uses the APFS format.

  • APFS (Encrypted): Uses the APFS format and encrypts the volume.

  • APFS (Case-sensitive): Uses the APFS format and is case-sensitive to file and folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.

  • APFS (Case-sensitive, Encrypted): Uses the APFS format, is case-sensitive to file and folder names, and encrypts the volume. For example, folders named “Homework” and “HOMEWORK” are two different folders.

You can easily add or delete volumes in APFS containers. Each volume within an APFS container can have its own APFS format—APFS, APFS (Encrypted), APFS (Case-sensitive), or APFS (Case-sensitive, Encrypted).

Mac OS Extended

Choose one of the following Mac OS Extended file system formats for compatibility with Mac computers using macOS 10.12 or earlier.

Mac Os Hard Drive Purgeable

  • What mac apps use java download. Mac OS Extended (Journaled): Uses the Mac format (Journaled HFS Plus) to protect the integrity of the hierarchical file system.

  • Mac OS Extended (Journaled, Encrypted): Uses the Mac format, requires a password, and encrypts the partition.

  • Mac OS Extended (Case-sensitive, Journaled): Uses the Mac format and is case-sensitive to folder names. For example, folders named “Homework” and “HOMEWORK” are two different folders.

  • Mac OS Extended (Case-sensitive, Journaled, Encrypted): Uses the Mac format, is case-sensitive to folder names, requires a password, and encrypts the partition.

Windows-compatible formats

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Choose one of the following Windows-compatible file system formats if you are formatting a disk to use with Windows.

Purgeable Storage On Mac Pro

  • MS-DOS (FAT): Use for Windows volumes that are 32 GB or less.

  • ExFAT: Use for Windows volumes that are over 32 GB.

Mac Os Purgeable Disk Space

See alsoPartition schemes available in Disk Utility on MacAbout Disk Utility on Mac
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