Skip to main content

Meet Optimized Storage, MacOS Sierra's best kept secret

how to use optimized storage sierra macos header
Image used with permission by copyright holder
MacOS Sierra does a lot of cool stuff. It provides seamless integration for your iOS devices, brings Siri to your Mac, and even organizes your photos based on life events. But there’s one feature that you’ll probably get more use out of than all the others combined, and it’s an easy one to miss: Optimized Storage.

Unveiled at WWDC, where Apple first announced MacOS Sierra, Optimized Storage sounds like the last item on a long list of features you’ve seen a thousand times. It’s an unfortunate name because it doesn’t sound anywhere near as cool as it is. Optimized Storage can free up hundreds of gigabytes of storage space in just a few clicks, it can automate some of the most boring and tedious PC upkeep tasks so you never have to think about them again, and perhaps most importantly, it will make your life easier.

Recommended Videos

If Siri is your personal assistant, Optimized Storage is your custodian. It works in the background of MacOS Sierra, keeping your Mac nice and clean, clearing out junk files and, well, optimizing your storage. Sure, you can set reminders and such with Siri. But when was the last time Siri improved your computer’s performance or followed you around cleaning up after you? Never, that’s when.

Optimizing your storage with Optimized Storage

MacOS Sierra Optimized Storage Menu
Image used with permission by copyright holder

Once you’ve upgraded to MacOS Sierra, you’re going to have to navigate through a couple menus before you get to Optimized Storage, as it’s buried pretty deep. First, click on the Apple icon in the top left corner of your Finder. Then go to About This Mac, then the Storage tab, and finally Details.

Now that you’ve excavated your way into your Mac’s innards, you will find Optimized Storage laid out in four equally appealing menu items, with your storage stats on the left.

Let’s go through each option and examine what each does, one at a time.

Store in iCloud

Here’s where Optimized Storage really earns its keep. By tuning the Store in iCloud options, your Mac will identify files you haven’t opened or used in a long time and automatically store them in iCloud – without changing their location on your Mac. For instance, your vacation photos will still be accessible right where you left them, but they’ll live long-term on your iCloud, without taking up space on your Mac.

To enable this option, just click Store in iCloud and choose the kinds of files you want Optimized Storage to take care of. If you change your mind, just turn it off, and your files will go right back to where they were — if you have room on your hard drive, that is.

Optimize Storage

This next option will be hit or miss for some Mac users. If you don’t watch a lot of TV shows or movies on your Mac, you might not get much mileage out of this option. But if you do, you’re about to clear out a huge portion of your hard drive.

With this option, you just hit Optimize, and let MacOS Sierra automatically delete TV shows and movies you’ve already watched, potentially freeing up massive amounts of space. You can always go back and download them again from iTunes, of course.

Erase Trash Automatically

This option isn’t anything new, it just does what it says on the tin — automatically erases items that have been in your Trash for more than 30 days.

Reduce Clutter

Last but not least, Reduce Clutter is the kind of option you want to run every now and then. MacOS Sierra will run through your hard drive looking for old files, big files, and everything in between.

Like a faithful golden retriever, Reduce Clutter will retrieve these files and lay them at your feet. Then ask which ones you want to obliterate forever. All right, maybe only a little bit like a golden retriever.

Now that your storage has been optimized, you should see some pretty impressive storage gains on your hard drive. If not, you might want to go ahead and scour your drive manually for applications and games you no longer use, or run through the Reduce Clutter option with a more critical eye.

Jayce Wagner
Former Digital Trends Contributor
A staff writer for the Computing section, Jayce covers a little bit of everything -- hardware, gaming, and occasionally VR.
The best data recovery software for your Mac or MacBook
A rose gold MacBook Air has Disk Utility open with a red warning symbol and an external drive connected.

Apple designed your computer to be reliable and user-friendly, but even the best and newest MacBook hardware can experience glitches. When something goes wrong with your storage, data recovery software can help you restore missing and damaged files.

Another reason for data loss is the sort of embarrassing mistake that happens sometimes. If you've ever accidentally thrown away a file you needed, then emptied the trash, it's possible to get that file back with a data recovery app.
Time Machine
Best built-in solution

Read more
MacOS 15 will completely change how you use your iPhone
The iPhone Mirroring feature from macOS Sequoia being demonstrated at the Worldwide Developers Conference (WWDC) 2024.

Apple just announced macOS 15 at WWDC 2024. Called macOS Sequoia, the updated operating system brings a suite of new features to Macs this fall. The key change, however, is a new Continuity feature that allows you to mirror your iPhone on your Mac, from the MacBook Air to the Mac Studio.

Although iPhone mirroring takes center stage, there are a ton of new features in MacOS 15. Here are all of them.
iPhone mirroring

Read more
The Mac just became a true ‘AI PC’
Disney Plus on a MacBook Pro.

Apple has unveiled a significant overhaul of its macOS operating system at its Worldwide Developers Conference (WWDC). The move -- long an expected topic for WWDC -- infuses the Mac with artificial intelligence (AI) across multiple apps, tools, and systems, revamping almost the entire Mac experience in the process. Put together, it has the potential to transform the Mac into an AI PC of the highest order.

Dubbed Apple Intelligence, the new system works across a host of apps -- including third-party ones -- to take them up a level. For example, Apple unveiled tools that can summarize or rewrite text in apps, such as rephrasing an email response for a new context. Apple also showcased some generative AI capabilities similar to those found in rival products like like Midjourney. Apple's spin, though, is that its system has more contextual knowledge. You can ask it to create an image of a friend for their birthday and it will take a photo of them that you have tagged and redesign it in one of several styles. In this case, Apple Intelligence knows who your friend is without you needing to specify a photo first.

Read more