How to Find Hidden iPhone Backups on Mac (The Go to Folder Trick, 2026)

If your Mac's storage warning has appeared out of nowhere, there's a good chance a forgotten iTunes or Finder backup is to blame. Knowing how to find iPhone backup on Mac is one of the quickest wins for reclaiming double-digit gigabytes — yet most users have no idea where macOS hides these files. This guide walks through every method available in macOS Sequoia and the upcoming macOS Tahoe, covers both Apple Silicon and Intel Macs, and explains what's safe to delete and what isn't.

Where Does macOS Store iPhone Backups?

Apple stores local iPhone and iPad backups in the same folder it has used since the iTunes era. The path lives deep inside your user Library, which is hidden from Finder by default:

Each backup appears as a folder with a long hexadecimal UUID as its name — something like a1b2c3d4e5f6… — which is why users never stumble on them accidentally. A single full backup can range from 3 GB for a lightly used older iPhone to well over 25 GB for a device with a large photo library or many large apps.

The Go to Folder Trick (Fastest Method)

The Go to Folder command in Finder lets you jump directly to any path, even hidden ones. Here's how to use it:

1. Open a Finder window (click the smiley face icon in your Dock, or press Command + N).
2. In the menu bar choose Go > Go to Folder… or press Shift + Command + G.
3. Paste the following path into the dialog box and press Return:
   ~/Library/Application Support/MobileSync/Backup/
4. Finder opens the Backup folder. Each subfolder is one device backup. Right-click any folder and choose Get Info to see its size, or select all and press Command + I to open a combined info window.

If you see multiple UUID folders, each one corresponds to a different device or an older backup from the same device. They do not overwrite each other automatically — they accumulate until you delete them manually or via Finder's built-in backup manager.

Check Backup Dates

Inside each UUID folder, open the file called Info.plist with Quick Look (press Space). It contains the device name, iOS version, and the date of the last backup in a human-readable format — so you can immediately see which backups are years old and safe to remove.

Use Finder's Built-In Backup Manager

macOS Ventura and later offer a clean GUI for managing backups. Open Finder, connect your iPhone via USB or look in the sidebar under Locations, then click your device name. In the General tab you'll see a Manage Backups… button. This lists every backup stored on this Mac with device name, iOS version, and backup date side-by-side. Right-click an entry to delete it — Finder moves the UUID folder to the Trash but does not empty it automatically, so you still control the final delete.

If you don't have the device handy, you can reach the same dialog through Finder > Settings… > (any connected device) on some macOS builds, but the Go to Folder path always works regardless.

Check via Terminal for a Complete Picture

For a quick size report without opening multiple Get Info windows, open Terminal and run:

This prints the size of every UUID backup folder on one line each. Add | sort -h to sort by size ascending so the largest backups appear at the bottom:

You can also count how many backups you have:

How Much Space Do iPhone Backups Actually Use?

The answer depends heavily on device generation and usage. The table below shows representative sizes observed across common iPhone and iPad models when backed up locally on macOS Sequoia.

Is It Safe to Delete Old iPhone Backups?

Deleting a local backup removes your ability to restore that device to the state it was in at the time of that backup. Before you delete, ask yourself two questions:

• Does iCloud Backup cover this device? If yes, a recent copy lives in iCloud and you can restore without the local one. Check on iPhone at Settings > [Your Name] > iCloud > iCloud Backup.
• Is this backup newer than any iCloud copy? If the local backup is months more recent than iCloud, think carefully — especially if it contains app data (like authenticator codes or health data) that iCloud Backup doesn't always sync.

Old backups for devices you no longer own are always safe to delete. Duplicate backups for the same device where you have a newer local or cloud backup are also safe. What you should keep: the single most recent backup for any device you actively use, particularly if iCloud Backup is not enabled or is paid out.

If you're already tight on space, it helps to understand what other large hidden folders exist on your Mac. A deep look at what is taking up space on your Mac often reveals that backups are just one of several offenders.

Other MobileSync Folders Worth Knowing

While you're inside ~/Library/Application Support/MobileSync/, you may also spot a folder called Backup (the one we've covered) alongside cached sync data. There's also a separate path worth checking if you use Xcode for iOS development:

This is not iPhone backup data — it's iOS Simulator instances — but it can consume 20–60 GB on developer Macs and is frequently mistaken for device backups. Simulator devices that correspond to old Xcode versions can be deleted safely via xcrun simctl delete unavailable.

Developers should also check why Xcode takes up so much space, since DerivedData at ~/Library/Developer/Xcode/DerivedData/ routinely grows to 30+ GB independently of any iPhone backups.

Keeping Backup Clutter Under Control

There's no built-in macOS scheduled cleanup for old backups — Apple expects you to manage them manually. A few habits help:

• After upgrading to a new iPhone, back up the old device one final time, confirm the new device is set up correctly, then delete the old device's backups within the month.
• After a major iOS upgrade (like moving from iOS 17 to iOS 18), a fresh backup is created alongside the old one. The older pre-upgrade backup is safe to remove once you confirm the device runs the new OS stably.
• Set a calendar reminder quarterly to open the Finder Manage Backups dialog and review what's there.
• Enable iCloud Backup for your current devices so you have a cloud copy before deleting local ones.

If you'd rather not dig through Library folders by hand, a tool like Crumb can audit all of these locations at once and show what's safe to remove before you delete anything, which is especially helpful when you have multiple old devices that have accumulated backups over years.

Quick Reference: iPhone Backup Locations and Commands

Below is a fast-reference summary of every path and command covered in this guide:

• Primary backup path: ~/Library/Application Support/MobileSync/Backup/
• Go to Folder shortcut: Shift + Command + G
• Size all backups (Terminal): du -sh ~/Library/Application\ Support/MobileSync/Backup/* | sort -h
• Count backups: ls ~/Library/Application\ Support/MobileSync/Backup/ | wc -l
• Finder backup manager: Finder sidebar > device name > General > Manage Backups…
• Delete unavailable iOS Simulators: xcrun simctl delete unavailable

Understanding where macOS hides your iPhone backups is one of the most reliable ways to reclaim large chunks of disk space without touching anything you actually need. Check the MobileSync/Backup/ folder first — it's almost always where the gigabytes are hiding.