Backing up your Mac is simple and important. We recommend it for everyone.
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Time Machine is the built-in backup feature of your Mac. It’s a complete backup solution, but you can use other backup methods as well.Create a backup
You can also use iCloud and iCloud Drive to store files, such as your photos, documents, and music.Set up iCloud and iCloud Drive
When you have a backup, you can use it to restore your files at any time, including after the original files are deleted from your Mac.Restore from a backup
Making a backup is an important part of preparing your Mac for service, especially because some types of repair might require erasing or replacing your hard drive.Get your Mac ready for service
To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.
macOS can save space by storing your content in the cloud. This isn't a backup, but it includes new tools to make it easier to find and remove large or unwanted files before you make a backup.Use Optimized Storage in macOS
You can use Disk Utility if you need to erase or format a storage device.Learn how to use Disk Utility
We'll find the best support options for you.