How to Back Up Your iPhone to Your Computer

The two ways to back up your iPhone to a computer

You can back up your iPhone to a computer in two ways: using iCloud (which stores your backup in the cloud, not on your computer) or using iTunes or Finder (which stores everything on your computer's hard drive). If you want the backup physically on your computer, you need iTunes on Windows or Finder on Mac. If you want automatic backups that sync without plugging in a cable, iCloud is faster to set up.

The choice matters because they store your data in different places. A computer backup means your data sits on your own device—you control it, but you have to plug in your phone and remember to back up. An iCloud backup happens automatically over WiFi once you turn it on, but your data lives on Apple's servers instead of your computer.

Key Takeaways

iTunes (Windows) or Finder (Mac) creates a backup file on your computer that you own and control, but requires plugging in your phone.
iCloud backs up automatically over WiFi but stores your data on Apple's servers, not your computer, and requires an Apple ID and iCloud+ subscription for more than 5 GB of storage.
Before backing up, update your iPhone to the latest iOS version and make sure you have enough storage space on your computer or iCloud account.
A computer backup takes 10 minutes to an hour depending on how much data you have and how fast your USB connection is.
You can restore from a backup if you get a new phone, replace a broken one, or need to recover deleted data.

Backing up with iTunes (Windows) or Finder (Mac)

Connect your iPhone to your computer with a USB cable. On a Mac running Catalina or later, open Finder and look for your iPhone in the sidebar under Locations. On Windows or older Mac, open iTunes instead. Your phone will appear as a device in the window.

Click on your iPhone to open its settings page. Look for a section called "Backups" or "Back Up." You will see two options: "iCloud" and "This Computer." Select "This Computer" if you want the backup stored on your hard drive. Then click "Back Up Now." The backup will begin when ready and usually takes 10 minutes to an hour, depending on how much data you have.

Do not unplug your phone until the backup finishes. You will see a progress bar or a message saying the backup is complete. After that, your iPhone data is saved on your computer. You can check that the backup worked by looking at the "Latest Backups" section, which will show today's date.

Setting up automatic backups with iCloud

iCloud backs up automatically, so you do not have to plug in your phone or remember to start a backup. Go to Settings on your iPhone, tap your name at the top, then tap iCloud. Scroll down and tap "iCloud Backup." Turn on the toggle next to "iCloud Backup."

Your iPhone will back up automatically whenever it is plugged in, locked, and connected to WiFi. The first backup may take a while if you have a lot of data. After that, iCloud backs up only the changes since the last backup, so it runs faster.

Keep in mind that iCloud gives you 5 GB of free storage. If your iPhone has more data than that, you will need to buy more iCloud storage through Settings > [Your Name] > iCloud > Manage Storage. Plans start at 50 GB per month and go up to 2 TB. Without enough space, your backup will not complete.

What gets backed up and what does not

Both methods back up most of your data: photos, messages, contacts, calendar events, notes, reminders, health data, and app data. They also back up your home screen layout, settings, and passwords stored in Keychain.

Neither method backs up content you bought from the App Store, iTunes Store, or Books app—those are tied to your Apple ID and read again automatically when you restore. Large video files, photos stored only in cloud services like Google Photos, and data from apps that store everything in their own cloud accounts (like Gmail or Dropbox) also do not back up. Music you added from your own computer may not back up depending on how you added it.

Checking your backup and making sure it worked

For a computer backup, open Finder (Mac) or iTunes (Windows) and connect your iPhone. Go to the Backups section and look at the date next to "Latest Backup." If today's date appears there, your backup completed.

For iCloud, go to Settings > [Your Name] > iCloud > Manage Storage > Backups. You will see your iPhone listed with the date of the last backup. If the date is recent, your backup is working. You can also see how much space your backup is using here.

Restoring from a backup

If you get a new iPhone or need to restore your current one, you can put your data back from a backup. During the setup process on a new phone, you will see a screen asking "Apps & Data." Choose "Restore from Mac/PC" (for computer backups) or "Restore from iCloud Backup" (for iCloud backups).

If you are restoring to your current phone, go to Settings > General > Reset > Erase All Content and Settings. This erases everything, then you can restore from your backup during setup. The restore process takes 15 minutes to an hour depending on how much data you have.

Troubleshooting common backup problems

If your backup keeps failing, first check that your iPhone has enough free storage—backups need about 50% of your phone's capacity free to work. Go to Settings > General > iPhone Storage and look at the available space. If it is low, delete photos, videos, or apps you do not need.

For computer backups, make sure your USB cable works by trying it with another device. A loose or damaged cable is the most common reason backups fail. Also check that your computer has enough free hard drive space—you need at least as much space as your iPhone's total storage. For iCloud backups, make sure you are connected to WiFi and that your iCloud account has enough free storage left.

If your backup still will not start, restart both your iPhone and your computer, then try again. If you are using a computer backup, also try unplugging and replugging your iPhone.

Frequently Asked Questions

Can I back up to both my computer and iCloud at the same time?

Yes. You can have iCloud Backup turned on and also create computer backups whenever you want. They do not interfere with each other. This gives you two copies of your data in case one fails.

How often should I back up my iPhone?

If you use iCloud Backup, it runs automatically whenever your phone is plugged in and on WiFi, so you do not have to think about it. If you use a computer backup, back up at least once a month, or more often if you take a lot of photos or add important data you would not want to lose.

What happens if I lose my backup file?

If your computer backup file is deleted, you cannot restore from it. For this reason, some people keep two computer backups on different external hard drives. iCloud backups are stored on Apple's servers, so they are safer from accidental deletion on your end, but you lose access if you cancel your iCloud subscription.

Do I need an Apple ID to back up to my computer?

No. Computer backups do not require an Apple ID. iCloud backups do require an Apple ID and an active iCloud account, but the account is free to create.

Can I back up my iPhone to someone else's computer?

Yes, but the backup will be encrypted with your iPhone's passcode. When you restore from that backup on a different iPhone, you will need to enter your passcode to decrypt it. The other person cannot access your data without your passcode.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.