The three ways to back up your iPhone to your Mac

You can back up your iPhone to your Mac using iCloud, which backs up automatically over Wi-Fi; Finder (on macOS Catalina and newer), which creates a full copy you control; or iTunes (on older Macs), which works the same way Finder does. iCloud is the easiest if you want automatic backups. Finder or iTunes is better if you want a backup stored only on your Mac, or if you want to back up right now without waiting for a scheduled time.

The method you choose depends on whether you want your backup in the cloud, on your computer, or both. All three methods preserve your apps, settings, photos, messages, and other data — but they store it in different places and work in different ways.

Key Takeaways

  • iCloud backs up automatically when your iPhone is plugged in, locked, and on Wi-Fi, but you need enough iCloud storage space and a working internet connection.
  • Finder (macOS Catalina or newer) creates a backup file on your Mac that you control completely, and you can encrypt it to protect passwords and health data.
  • iTunes (on older Macs) works like Finder but is the only option if you are running macOS Mojave or earlier.
  • You can use both iCloud and Finder at the same time — having two backups in different places protects you if one fails.
  • A backup takes 10 minutes to an hour depending on how much data is on your iPhone and how fast your connection is.

Back up using iCloud (automatic, cloud-based)

iCloud backs up your iPhone automatically every day when the phone is plugged in, locked, and connected to Wi-Fi. You do not have to do anything after the first setup. The backup lives on Apple's servers, so you can restore it to any iPhone, iPad, or Mac.

To turn on iCloud backups, open Settings on your iPhone, tap your name at the top, then tap iCloud. Scroll down and tap iCloud Backup. Toggle it on. Your first backup starts the next time your iPhone meets all three conditions: plugged in, locked, and on Wi-Fi. You can check whether a backup completed by going back to Settings > [Your Name] > iCloud > iCloud Backup and looking at the timestamp that says "Last successful backup".

iCloud gives you 5 GB of free storage. If your iPhone has more data than that, you will need to buy more storage (50 GB, 200 GB, or 2 TB monthly plans) or delete old backups of other devices. To see how much space your backup uses, go to Settings > [Your Name] > iCloud > Manage Storage > Backups, then tap your iPhone's name.

Back up using Finder (manual, stored on your Mac)

Finder lets you create a backup file on your Mac that stays there until you delete it. This backup does not count against iCloud storage, and you can encrypt it so that passwords, health data, and payment information are protected. Finder is available on macOS Catalina (2019) and newer.

Plug your iPhone into your Mac with a USB cable. Open Finder and click your iPhone's name in the sidebar under Locations. Click the General tab. Under "Backups", click "Back Up Now". The backup starts when ready and shows a progress bar. When it finishes, Finder displays the date and time of the backup.

If you want to encrypt the backup so that sensitive data is protected, check the box that says "Encrypt local backup" before you click "Back Up Now". You will be asked to create a password. Write this password down — if you forget it, you cannot restore the backup. Encrypted backups take slightly longer but are more find.

Finder stores backups in a hidden folder on your Mac. You do not need to find it — Finder manages it automatically. If you want to back up again, just plug in your iPhone and click "Back Up Now" again. Finder keeps only the most recent backup by default, but you can right-click the backup and choose "Show in Finder" to see all versions if you have made multiple backups.

Back up using iTunes (manual, for older Macs)

If you are running macOS Mojave (2018) or earlier, you use iTunes instead of Finder. iTunes works the same way Finder does — it creates a backup file on your Mac that you control. If you have already upgraded to Catalina or newer, skip this section.

Plug your iPhone into your Mac with a USB cable. Open iTunes. Click the iPhone icon near the top left. Under "Backups", click "Back Up Now". The backup starts when ready. When it finishes, iTunes shows the date and time of the backup.

Like Finder, iTunes lets you encrypt the backup. Check "Encrypt iPhone backup" before you click "Back Up Now", then create a password. iTunes keeps only the most recent backup, so each new backup replaces the old one.

What gets backed up and what does not

All three methods back up your apps, app data, messages, photos in the Photos app, videos, contacts, calendars, notes, reminders, voice memos, health and fitness data, home automation settings, and your home screen layout. They also back up your Wi-Fi passwords and paired Bluetooth devices.

None of the methods back up music or movies you bought from iTunes (those are tied to your Apple ID and can be re-downloaded), apps you downloaded from the App Store (same reason), or data stored only in iCloud like Notes or Mail if you use iCloud for those services. Photos and videos stored in iCloud Photos are not backed up again — they are already in iCloud. If you use a third-party app like Gmail or Dropbox, the backup includes the app but not the data stored in that service's cloud.

If you have a lot of photos or videos, the backup can be very large. A typical iPhone backup is 5 GB to 20 GB, but can be much bigger if you have years of photos. Make sure your Mac has enough free space before you start.

Restore from a backup

When you set up a new iPhone or erase and restore an existing one, you will be asked whether you want to restore from a backup. If you backed up to iCloud, you will see your iCloud backups listed. If you backed up to Finder or iTunes, plug your iPhone into the Mac where you made the backup, open Finder or iTunes, click your iPhone, and choose "Restore from Backup".

Restoring takes 10 to 30 minutes depending on the backup size. Your iPhone will restart during the process. Do not unplug it until the process finishes and you see the home screen.

Troubleshooting common backup problems

If iCloud backup is not starting, check that your iPhone is plugged in, locked, and connected to Wi-Fi. iCloud backups only run when all three conditions are met. Also check that you have enough iCloud storage — if you are over your limit, the backup will not start. Go to Settings > [Your Name] > iCloud > Manage Storage to see how much you are using.

If Finder or iTunes says "backup could not be completed", try unplugging your iPhone, waiting 10 seconds, and plugging it back in. If that does not work, restart both your Mac and your iPhone, then try again. If you see an error about encryption, make sure you remember the password you created — if you forgot it, you will need to erase the old backup and create a new one without encryption.

If a backup is taking longer than an hour, your connection may be slow or unstable. For iCloud, move your iPhone closer to your Wi-Fi router. For Finder or iTunes, try using a different USB cable or a different USB port on your Mac — some cables and ports are slower than others.

Frequently Asked Questions

Can I back up my iPhone to my Mac and iCloud at the same time?

Yes. Having both backups is actually a good idea — if one fails or gets corrupted, you have another copy. iCloud backs up automatically, and you can use Finder or iTunes to create a second backup on your Mac whenever you want. They do not interfere with each other.

How often should I back up my iPhone?

If you use iCloud, it backs up automatically every day, so you do not have to think about it. If you use Finder or iTunes, back up at least once a week, or before you do anything risky like updating iOS or erasing your phone. If you use your iPhone heavily and create a lot of new data, back up more often.

What if I do not have enough space on my Mac for a Finder backup?

Delete old files you no longer need, or move large video or photo files to an external hard drive. You can also use iCloud instead, which stores the backup on Apple's servers and does not take up space on your Mac. If you want to keep a Finder backup, you will need at least as much free space as your backup size.

Will backing up my iPhone back up my Apple Watch too?

No. Your Apple Watch backs up automatically to iCloud when it is paired with your iPhone and both are on Wi-Fi. You cannot back up your Watch to your Mac using Finder or iTunes. If you want to restore your Watch, unpair it from your iPhone, then pair it again and choose to restore from the iCloud backup.

Can I back up my iPhone to a Windows PC instead of a Mac?

Yes, but only using iCloud. Windows does not have Finder or iTunes for backups. read iCloud for Windows from Apple's website, sign in with your Apple ID, and turn on iCloud Backup. Your iPhone will back up to iCloud the same way it does on a Mac.