Oct 13, 2019 Before we update to macOS Catalina 1. Backup the Mac computer with Time Machine. Check the available storage space on your Mac to ensure at least 30 GB available storage. Otherwise, you will need to remove some content from your Mac to clean up the storage space. If you don't have an idea how to clean up your Mac. Jun 25, 2020 How to Clear Other on Mac Storage. You can manage Other storage on macOS catalina via multiple ways. One of which is using Apple’s Optimized Storage settings. Head over to this complete guide to free up some space on your Mac running macOS Sierra or later. The other method includes manual cleaning or using a third-party apps.
Optimized Storage in macOS Sierra and later* can save space by storing your content in iCloud and making it available on demand. When storage space is needed, files, photos, movies, email attachments, and other files that you seldom use are stored in iCloud automatically. Each file stays right where you last saved it, and downloads when you open it. Files that you’ve used recently remain on your Mac, along with optimized versions of your photos.
* If you haven't yet upgraded to macOS Sierra or later, learn about other ways to free up storage space.
Choose Apple menu > About This Mac, then click Storage. Each segment of the bar is an estimate of the storage space used by a category of files. Move your pointer over each segment for more detail.
Click the Manage button to open the Storage Management window, pictured below. This button is available only in macOS Sierra or later.
The Storage Management window offers recommendations for optimizing your storage. If some recommendations are already turned on, you will see fewer recommendations.
Click the Store in iCloud button, then choose from these options:
Storing files in iCloud uses the storage space in your iCloud storage plan. If you reach or exceed your iCloud storage limit, you can either buy more iCloud storage or make more iCloud storage available. iCloud storage starts at 50GB for $0.99 (USD) a month, and you can purchase additional storage directly from your Apple device. Learn more about prices in your region.
Click the Optimize button, then choose from these options.
Optimizing storage for movies, TV shows, and email attachments doesn't require iCloud storage space.
Empty Trash Automatically permanently deletes files that have been in the Trash for more than 30 days.
Reduce Clutter helps you to identify large files and files you might no longer need. Click the Review Files button, then choose any of the file categories in the sidebar, such as Applications, Documents, Music Creation, or Trash.
You can delete the files in some categories directly from this window. Other categories show the total storage space used by the files in each app. You can then open the app and decide whether to delete files from within it.
Learn how to redownload apps, music, movies, TV shows, and books.
The button for each recommendation in the Storage Management window affects one or more settings in other apps. You can also control those settings directly within each app.
Empty Trash Automatically: From the Finder, choose Finder > Preferences, then click Advanced. Empty Trash Automatically selects “Remove items from the Trash after 30 days.”
With macOS Sierra or later, your Mac automatically takes these additional steps to save storage space:
Even without using the Optimized Storage features of Sierra or later, you can take other steps to make more storage space available:
When you upgrade to macOS Catalina, you get more of everything you love about Mac. Experience dedicated apps for music, TV, and podcasts. Smart new features in the apps you use every day. And Sidecar, which lets you use iPad as a second Mac display. Best of all, upgrading is free and easy.
Mac computers with Metal-capable graphics processors (GPUs) can upgrade to macOS Catalina.
Before you upgrade, we recommend that you back up your Mac. Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina.
Go to Software Update in System Preferences to find the macOS Catalina upgrade. Click Upgrade Now and follow the onscreen instructions to begin your upgrade. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. If you’re running Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.
For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Catalina:

Requires a broadband internet connection and microphone (built-in or external).
Supported by the following Mac models:
Requires a microphone (built-in or external).
Requires a broadband internet connection.
Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.
Force Touch gestures require a Force Touch trackpad.
VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.
Requires a FaceTime or iSight camera (built-in or external), or USB video class (UVC) camera.
Audio calls require a microphone (built-in or external) and broadband internet connection.
Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.
High Dynamic Range (HDR) video playback is supported by the following Mac models:
Dolby Atmos soundtrack playback is supported by the following Mac models:
Supported by the following Mac models:
Supported by all iPad models with Apple Pencil support:
Requires an iPhone or iPad with a Lightning connector and iOS 12 or later.
Requires an iPhone with iOS 13 or an iPad with iPadOS.
Requires an iPhone or iPad with a Lightning connector and iOS 8 or later.
Requires an iPhone or iPad with cellular connectivity, a Lightning connector, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.
Requires an iPhone or iPad with a Lightning connector and iOS 10 or later.
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.
Supported by Mac models introduced in mid 2013 or later.
Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13.
Requires MacBook Pro with Touch Bar, an iPhone 6 or later with iOS 10 or later, or an Apple Watch with watchOS 3 or later.
Requires an iPhone with iOS 8 or later and an activated carrier plan.
Requires an iPhone with iOS 8.1 or later and an activated carrier plan.
Requires an iPhone with iOS 12 or later and a configured Home app.
AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector and iOS 7 or later.
Update: this guide/method also works for OS X “El Capitan” (10.11)After Photos came out, you might have noticed that iPhoto no longer wanted to run.Trying to update seems to be futile.Fear not. It’s unlikely that it’ll receive another update (perhaps bugfixes, feature updates far less likely) and it would seem the future is “Photos”. Once you have iPhoto working again, maybe you’ll want to take a closer to look at Photos. Download iphoto for mac el capitan. Following these instructions, you’ll have iPhoto working in Yosemite in no time.NOTE: Apple is sending a clear message – iPhoto is gone. Maybe not.Regardless – here are the steps to turn iPhoto back into a functional App.
AirPlay Mirroring requires an Apple TV (2nd generation or later).
AirPlay for web video requires an Apple TV (2nd generation or later).
Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.
Requires an external storage device (sold separately).
Supported by the following Mac models:
Allows Boot Camp installations of Windows 10 on supported Mac models.
Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.
Supports OS X 10.7 or later and Windows 7 or later.
Available only to persons age 13 or older in the U.S. and many other countries and regions.