Saturday, August 9, 2025

How to back up your Mac

You may never glance at your Mac’s drive, but you need to make a copy of it.

Backing up your Mac is not just something you do when testing betas like macOS Tahoe; it is an everyday essential if you want to avoid risking losing irreplaceable work.

Maybe you think you don’t need backups because your work is like throughput in a larger workflow. You get sent a task, you work on it, then you send it on to someone else as if in an assembly line, and never, ever go back to anything you did before.

But, at the absolute least, you have spent time adjusting and configuring your tools so that you can work so efficiently — and every one of those settings can be lost. Plus, if someone does come back to you about your work, you know it will be an emergency.

So you won’t have time to redo the work, you won’t have time to reinstall apps, and you won’t have time to remember those essential settings.

Whether your MacBook Pro has been stolen on the airplane, or your Mac Studio has been destroyed in a fire, your data is precious and it can be lost forever.

Disk Utility interface displaying a prompt to erase 'Backups of Mac Studio' with options to cancel or proceed.
Plug in an external drive and macOS Tahoe will offer to make it a Time Machine backup

What you need is robust, reliable backup system. And if you’re shrugging because you’ve already got iCloud and Dropbox, brace yourself for some bad news.

The bad news first

Dropbox, iCloud, and just about every other cloud service that gets used in day-to-day work are not really backups at all. It is true that if you drive over your MacBook and shatter it, your Mac Studio will still have those files.

But if your ex takes your iMac and goes crazy erasing everything, then iCloud, Dropbox, and the rest will faithfully mimic that erasure on every device you own.

Computer screen showing a file restoration interface with folders on the left and file details, including names and sizes, on the right.
In Time Machine, the current window opens — and so do all of the previous backups of it.

These services do have ways of getting your data back within a certain time, typically 30 days. But you have to know that it’s gone, and if you don’t find out in time, it’s lost forever.

As essential as iCloud may be for Apple users today, it does not serve as a true backup service — so you’ll need to look elsewhere for that.

Your broad choices

Accepting that doing nothing and just waiting for disaster isn’t the best choice, what’s left is where you store your backups — and how you do them. The ideal is a system that just backs up for you, something you can trust to keep on doing it forever, and a system where it’s quick to get everything back when it’s been lost.

Apple’s iCloud doesn’t fit the bill, but Apple’s Time Machine does. There are alternatives and reasons to use them, but Time Machine is classic Apple. It’s simple but effective, powerful enough but not complicated.

Choosing Apple’s Time Machine

In every possible way, Time Machine is the easiest backup system to use. It’s even the easiest to get since it’s already waiting there on your Mac. The sole extra thing you need is an external hard drive, the same as you do for all of these backup systems.

Run Apple's free Time Machine to quickly search through recent backups
Run Apple’s free Time Machine to quickly search through recent backups

When you plug a drive in and go to format it, your Mac will even prompt you to use it as a Time Machine volume. If you decide to, that’s pretty much it — job done. Your Mac will regularly back itself up to that external drive.

You can go further and say when you want that regular backup to happen, plus you can choose what gets backed up. There are far fewer options you can set compared to any of the other backup apps here, but Time Machine is meant for you to set up and forget.

It’s meant to be that you never have to think about it again until you lose a document and want to get it back.

So, that could be that, Time Machine could be the right – and the whole – solution for you. However, get another solution as well.

Time Machine isn’t enough

That’s because Time Machine is remarkable for what it does, and that it is built right into your Mac, yet it has problems. They’re not major, but they are at least inconveniences.

The most immediately obvious one is that Time Machine is notably slower at backing up than practically any option, most definitely including third-party backup apps. Compounding that, it doesn’t have tools to let you quickly check that a backup is healthy.

Screenshot of Disk Utility on macOS, showing TC1 APFS Startup Snapshot details with 2TB capacity. Disk usage, available space, and technical information are displayed in a sidebar and main panel.
Use Disk Utility to format new drives or check on the health of existing ones

There are tools such as Disk Utility that come with a Mac, and they can be used to check that the drive itself is fine. But until you need to go in to look, or to recover a particular document, you may not know that the backup has been corrupted and is of no use.

We don’t mind a little slowness if it keeps our data safe. With multiple Time Machine backups on different drives, we’ll be covered if one fails. And since Time Machine runs in the background, we rarely even notice how long it takes.

But what makes us so certain that you need an alternative is this seemingly small point. Time Machine is built to be a backup of your data, not your hard drive — so it will recover your documents, but it won’t help if your Mac itself has died.

Unfortunately, these days, not much will. You used to be able to start up a Mac from an external drive, and it was simple to keep the latest macOS on there, plus your documents.

If your Mac died, it was usually the machine’s internal drive, so you’d connect this external boot drive, turn on the Mac, and be up and running immediately.

However, since that means anyone could walk up to your Mac with an external drive and boot into that, they could perhaps access your other drives — or your network.

Apple has stopped that, and while it’s still possible to make one of these clone drives now, it’s not practical. Third-party backup services that used to do this have mostly given up, and since this was part of their livelihood, you know they will have tried.

Time Machine settings on macOS with backup frequency options, including every hour, day, or week. Selected option is 'Automatically Every Hour'. Excluded backup items are listed.
All good backup services, including Time Machine, can be scheduled

The good part of all this is that drive failures are much rarer than they were. You are far less likely to have what used to be a quite common problem.

Nonetheless, knowing that it’s a one-in-a-million chance is no consolation if you are that one. Carefully read the AppleInsider guide to how to make an external boot disk in the more recent versions of macOS.

If you backup to multiple external drives that you plug in and out, at least take better care of them than this
If you back up to multiple external drives that you plug in and out, at least take better care of them than this

Third-party backup solutions using apps and external drives

Despite being forced to drop the ability to create a bootable external drive, there are still three main third-party backup apps that are recommended.

The three are SuperDuper!, ChronoSync, and Carbon Copy Cloner. Any of them will work well for just about any user, but some differences mean one may suit you better than the others.

SuperDuper! application window with options to copy data from one location to another, including backup settings and an option for password-free copying.
SuperDuper! always makes it clear what will happen next when you press the backup button

Like Time Machine, they also require you to have a space drive or two. In every case, you can plug in a drive, do a back up, and unplug it.

That does require you to manage the drives and remember to manually make the backups, though.

SuperDuper!

SuperDuper! 3.10 is designed to be simple enough for anyone to use. Just choose the drive you want to back up, select the destination, and start the process with a click.

There’s a generous free trial version you can download, but once you’ve tried it out, pay the $27.95 purchase price. It does get you small extra features, but it’s also a very small price to pay for having backups done easily.

SuperDuper! is also a backup app that can create external bootable drives. For all developers, though, it’s a fragile feature that Apple updates can sometimes break

Carbon Copy Cloner

Carbon Copy Cloner looks more complicated than SuperDuper! but with a little extra complexity comes greater functionality.

It’s a fine line, though, with both of these apps offering features you quickly grasp and others that you have to think about. Much of the real difference between SuperDuper! and Carbon Copy Cloner comes down to personal preference.

However, there is a feature in Carbon Copy Cloner called task chaining. It lets you set up multiple back ups in a row.

As well as the reassurance of being backed up, apps like Carbon Copy Cloner make sure you know of any problems.
As well as the reassurance of being backed up, apps like Carbon Copy Cloner make sure you know of any problems.

Carbon Copy Cloner 7 costs $49.99 direct from the developer and requires macOS Ventura or later. That price is for a non-commercial use of the app on all Macs in your household.

Note that Carbon Copy Cloner will no longer even attempt to create an external bootable drive.

Then there’s ChronoSync or the lower-cost, lower-featured ChronoSync Express. As the name implies, this backup app is focused on making time-specific backups — and, very, very many of them.

ChronoSync or ChronoSync Express.

The makers of ChronoSync Express — available for $29.99 in the Mac App Store — describe this version of the app as being for “entry-level sync and backup.” It can’t back up every file on a Mac; it will only do “documents that can be accessed by the logged-in user.”

So the Express version isn’t as powerful as Carbon Copy Cloner or SuperDuper! It is, though, available as part of the Setapp Mac subscription service.

Computer screen displaying ChronoSync Express software with backup configuration options for source and destination targets, readiness state, and special notes section.
ChronoSync makes choosing what to back up and where to back it up as visual as possible

That means it is included in Setapp’s monthly fee of $9.99. The full ChronoSync is not on Setapp, and costs $49.99 from the developer.

The full ChronoSync, though, backs up entire drives, not just individual documents. ChronoSync is another app that can make a bootable external drive if you prepare your Mac and your drive properly.

Online backup alternative

There is an alternative to using any of these apps, whether Apple’s or third-party ones. In practice, it’s an option that should be used alongside them, but it is a complete back up solution in itself.

It’s an online back up. You don’t connect any external drives, and the data is stored remotely, so even if your studio burned down, all of your data would still be available to you anywhere in the world.

Backup software interface showing current backup status at 5:56 PM, with options to pause, restore, or change settings. Backup details include 1,175,865 files selected, continuously scheduled.
Backblaze is a service that backs up your data to the cloud

At one point, it seemed as if every online backup firm was abandoning individual users in favor of big corporations. But now there are a few options available that will do both.

Backblaze, for instance, now charges from $99 per device, per year, to back up everything.

That is everything, though. If your Mac has a couple of 8TB drives permanently plugged into your Mac, those drives get automatically backed up too.

Or there is the pCloud backup service. That has various tiers starting at 500GB storage for $5 per month.

Whichever online backup service you choose, it is amazingly convenient. You can sign up and forget that the service even exists, until you need it.

Get your back up

There isn’t one backup solution that fits everyone. You need to mix and match services to build something that works for you, in a cost-effective and data-safe manner.

There are countless ways to back up your data. But then there are also countless ways to lose your important work if you don’t take steps to prevent it.

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