These videos can be re-downloaded and are still marked as purchased, but the local version is removed from your hard drive. The second is somewhat inaccurately labelled “Optimize Storage.” It removes any iTunes movies and TV shows that you’ve already watched. Any full-res photos that also exist in iCloud can be flagged as purgeable as well, but optimized JPGs will stay on the system. Any files that are safely stored in iCloud are then candidates for the purgeable flag. This switch enables iCloud Desktop and Documents which backs up the content of your Desktop and Documents folders to iCloud. While the description reads “store all files in iCloud,” “all” is a bit of an overstatement. Under the “Recommendations” tab (which is the default view) you have a few other options. Clicking on GarageBand, for example, tells you exactly nothing. But not all of these menu options are as useful. It helped me locate some long-lost, disk-hogging audio files, which was great. This is probably the most useful feature of the bunch. Based on my tests, “Documents” actually includes the Documents, Downloads, and Desktop folders. On the left, you have a few categories of files, including Applications, Documents and Mail, along with the disk space each category takes up.Ĭlicking on the Documents tab, for example, will show you most of your files, sorted by size. There’s a couple things going on in the resulting window. If you open up “About This Mac” under the Apple menu and click on the Storage tab, you’ll see a breakdown of your disk storage. Click the button labeled “Manage” to open up a System Information window. You shouldn’t need to take any direct action to benefit from the basics, but you can take a look under the hood to get some more control. Sierra also offers a few features to help you better manage your storage space.īy design, Sierra’s storage optimization operations are hidden from the user’s view. Other candidate files include special cases like TV shows and movies in your iTunes library that you’ve already watched, foreign language dictionaries and large, non-Latin fonts that have never been used. Once they’re backed up on iCloud, any of these files could technically be a purgeable candidate. User files that are not backed up to iCloud should never be marked as purgeable. These folders probably contain most of your files. Turning on iCloud Desktop and Documents vastly expands the potential pool of files that can be marked purgeable. Two main factors affect whether a file is purgeable: the date it was last opened and whether the file is available in iCloud. If the file can be downloaded from iTunes, Photos, or iCloud on demand, and it hasn’t been opened in a while, there’s a good chance it will get marked as purgeable. What Sort of Files Does Sierra Consider Purgeable? But we do have a general idea of what can get marked as purgeable. You also can’t clear the purgeable space yourself unless you resort to some Terminal hacking. Purgeable data still exists as real, accessible files, but macOS has deemed those files expendable.Īs of now, it’s not possible to see which files, exactly, the OS has marked as purgeable. “Purgeable” describes files that macOS has decided could be deleted, if necessary. This is similar to “deleting” data from a hard drive: data is marked as garbage, but it’s not gone until it’s overwritten. To optimize storage space, the OS analyzes the content of a user’s hard drive and sorts files into two camps: “purgeable” and everything else.
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