Updated 27/09/2026 · Data Clinic data recovery engineers
Yes — files on a hard drive that has been formatted by mistake can usually be recovered. A quick format, which is what Windows and Mac Disk Utility do by default, only writes a new, empty index over the drive; your files’ data stays where it was until something new is written on top of it. So stop using the drive now, don’t reinstall anything on it, and scan it with read-only recovery software from another computer. The exception is a full format on Windows, which overwrites everything. And if the drive clicks, beeps or isn’t detected, don’t run software at all.
- What to do right now
- First: is it really just a format?
- Quick format, full format, reinstall — what survives
- How to recover files from a formatted hard drive, step by step
- Will file names and folders come back?
- Choosing recovery software for a formatted drive
- Mistakes that ruin formatted-drive recoveries
- When software won’t help
- FAQ
What to do right now (the 60-second answer)
- Stop writing to the drive. A formatted drive looks empty, so anything you save, install or download lands on top of your old files.
- Don’t format it again, ‘initialise’ it, or run CHKDSK or a ‘repair’ tool on it. All of these write to the drive.
- If Windows was reinstalled on it, stop using that computer and take the drive out — it needs to be scanned from another PC.
- Get a second drive ready with at least as much free space as the files you want back. Recovered files must never be saved onto the formatted drive.
- Scan with read-only recovery software, preview what it finds, and only then recover to the second drive.
A healthy hard drive that has simply been formatted is not in a hurry: if you stop using it and put it in a drawer, the data on it will still be there next month. What destroys formatted-drive recoveries is carrying on using the drive, not time.
First: is it really just a format?
Recovery software is the right tool for logical problems — the drive works perfectly, but its file system was wiped or damaged. It is the wrong tool, and a risky one, for a drive with a physical fault. People sometimes format a drive because it was playing up; if that’s what happened, the format may be the least of its problems.
Don’t run any recovery software if the drive:
- clicks, ticks, beeps, buzzes or grinds (see hard drive clicking and hard drive beeping);
- isn’t detected, doesn’t spin up, or shows up as 0 MB or with the wrong capacity;
- disconnects by itself, freezes the computer, or becomes very slow when you open files;
- has been dropped, knocked while running, or got wet.
Each of these means the hardware is failing, and every hour of scanning makes a failing drive do the work most likely to finish it off. Switch it off and get a free diagnosis from our lab instead.
Quick format, full format, reinstall — what survives
‘Formatted’ covers several different things, and they leave very different amounts of your data behind.
| What happened | What it actually did | Recovery prospects with software |
|---|---|---|
| Windows quick format (the default — ‘Quick Format’ ticked) | Wrote a new, empty file system. File data untouched. | Good, as long as little has been written since. |
| Formatted to a different file system (e.g. NTFS to exFAT so a Mac can use it) | Same as a quick format, with a different layout on top. | Good — the old files are found by content. |
| Mac Disk Utility ‘Erase’ on a hard drive, default settings | Wrote a new, empty volume. File data untouched. | Good. Only an erase with Security Options chosen to write zeros removes the data. |
| Windows reinstalled over the drive | Formatted, then wrote many gigabytes of new system files. | Partial. Some files are overwritten; much of the rest often survives. |
| Windows full format (‘Quick Format’ unticked, Vista or later) | Wrote zeros across the whole volume. | None. There is nothing left to recover. |
| Formatted SSD | A quick format on an SSD normally TRIMs the whole drive, and the SSD then erases it itself. | Usually none. Once the SSD has erased the space, nothing can bring it back. |
Not sure which kind you did? A quick format of any size finishes in seconds. A full format of a large hard drive runs for a long time — often hours. If it happened on a camera, a TV recorder or a games console, it was almost always the quick kind.
If Windows is asking you to format a drive (“You need to format the disk before you can use it”), that’s a different problem — a damaged file system, often called a RAW drive (see how to recover files from a RAW drive). The rule is the same though: click Cancel, not Format.
How to recover files from a formatted hard drive, step by step
These steps work for internal and external hard drives formatted on Windows or a Mac. We’ve used our own tool, Data Clinic Recovery for Hard Drives, as the example, but the same order of work is right whichever software you use.
- Connect the formatted drive to a working Windows PC as a second drive. An external drive just plugs in by USB. An internal drive can go in a USB enclosure or adapter, or stay inside a desktop PC as long as Windows runs from a different drive. Recovery software should never be installed on, or run from, the drive being recovered — our tool doesn’t even list the drive Windows runs from.
- Check the drive’s health before scanning. Hard drives keep their own health report (SMART). Good software reads it first; ours refuses to scan a drive that reports it is failing, because a long scan of a failing drive can turn a recoverable problem into an unrecoverable one.
- Run a quick scan first. It reads whatever file tables are still on the drive in minutes, and anything it finds comes back with its original name and folder.
- Then run a deep scan. A deep scan first reads whatever file tables survive, just as a quick scan does, then reads the whole drive and recognises files by their content — photos, video, music, Office documents, PDFs, Outlook PST files, archives and more. On a large drive this takes hours; let it finish, because files can be anywhere on the disk.
- Preview before you recover. Open a few photos and documents in the preview. A trustworthy tool tells you file by file what’s recoverable and what has been overwritten, so you know what you’re getting before you pay for anything.
- Recover to a different drive. Never back onto the formatted drive — that would overwrite the very files you’re still recovering. (Our tool enforces this rather than just advising it.)
- Check the recovered files open properly, back them up, and only then format and reuse the original drive.
If the drive starts struggling during a scan — stalls, read errors, a sudden slowdown — stop. Data Clinic Recovery for Hard Drives can image a troubled drive first: it reads every sector once into a file on another drive, and every scan then works from the copy, so the drive isn’t read again and again. A drive whose own health report says it is failing is referred to the lab instead of imaged, and if the drive gets worse, it’s a lab job.
Will file names and folders come back?
This is the question that catches most people out, so it’s worth being straight about it.
- Files found by a quick scan come back with their names, folders and dates, because the file table that listed them still exists.
- Files found by a deep scan keep their names and folders wherever the drive’s file tables still list them — a deep scan reads those first. Files it finds only by their content have no names: they come back with numbered names such as
Rescued_0001.jpg, in a separate[Found by content]folder. Expect to spend some time sorting those — photos can be sorted by their camera date, documents by opening them. - After a quick format of an exFAT or FAT32 drive — common on external drives shared between Windows and Mac — Data Clinic Recovery for Hard Drives also finds the old folder listings the format left behind, and brings those files back with their names, under
[Old folder listings]. On an NTFS drive, names can’t come back after a format, because Windows clears the file table. - Large videos are often stored in pieces scattered across the drive. A deep scan finds the start of each video but can’t always put the pieces back together, so a recovered video may be incomplete or refuse to play.
Choosing recovery software for a formatted drive
Whichever tool you use, check it does these things before you let it near the drive:
- Strictly read-only. It should never write to, ‘fix’ or format the drive it’s scanning.
- Free scan and preview. You should be able to see the actual files before paying anything — not just a count.
- A deep scan that covers your file types. After a format, that’s where most files come from. Check it recognises what you need back: raw photos, Outlook files, CAD or accounts files.
- A health check, and the ability to image a weak drive. Scanning a failing drive for hours is how software recoveries turn into lab jobs.
- Honesty about overwritten files. No software can recover data that has been overwritten. Be wary of any that implies otherwise.
- Somewhere to go if it fails. Most software stops at “couldn’t read the drive”.
For a side-by-side look at the free tools people usually try first, see free data recovery software compared.
Data Clinic Recovery for Hard Drives
Recovery software written by a data recovery lab, for exactly this job: deleted and formatted files on hard drives, SSDs and USB drives.
- Free scan and preview — you only pay if you want to recover
- Quick scan keeps names and folders; deep scan finds files after a format
- Strictly read-only, with a drive health check before every scan
- Can image a struggling drive first, so it isn’t read again and again
- If the drive turns out to need our lab, a Personal licence fee comes off the lab’s price
Available now for Windows 10/11 — download it free, scan and preview before you buy. Licences from £39.99 inc VAT for 28 days.
Mistakes that ruin formatted-drive recoveries
- Carrying on using the drive. Copying new files onto it, letting a backup program use it, or installing software on it all overwrite your old data.
- Reinstalling Windows ‘to get it working again’. Each reinstall writes gigabytes over the start of the drive.
- Running CHKDSK or disk ‘repair’ utilities. They rewrite the file system to make it consistent and can wipe out the very traces recovery depends on. See why not to run CHKDSK.
- Formatting again, or ‘initialising’ the disk when Windows or Disk Management offers to.
- Recovering files back onto the same drive.
- Letting a deep scan grind on a drive that’s struggling. Slow, stalling scans are a symptom, not a nuisance.
When software won’t help — use the lab
Stop and send it to a lab if any of these apply
- The drive has any physical symptom: clicking, beeping, grinding, not spinning, not detected, disconnecting, or it was dropped or got wet.
- The drive’s health report says it’s failing, or a scan hits read errors.
- It’s a RAID array or NAS that was reset or re-initialised — see RAID data recovery and NAS data recovery.
- The files are irreplaceable and you’d rather not experiment — the only copy of a business’s accounts, or years of family photos.
Our hard drive recovery service images failing drives with hardware built for the job. For single hard drives, diagnosis is free and there’s no charge if we can’t recover your data.
Formatted a USB stick? The same steps apply — Data Clinic Recovery for Hard Drives covers USB memory sticks too. Formatted a camera or phone memory card? Use our free Memory Card Recovery software and the guide to recovering a formatted SD card.
What our customers say
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My 1TB external drive drop on the floor at home and the drive heads got damaged and I take the drive to a company that I'm not going to mention they name but after they done the diagnostic test they to me to recovery the data would cost me £2400 and I told them no way then after I got back the drive from them they called me 2 days after and said they will drop the price from £2400 down to £1500 so that tells me that they wanted to scam or something and other companies prices was high and I didn't want to send my hard drive to different companies. Next day I googled and found Data clinic And the first phone call and the information they give me I was happy. The lady on the phone sent me a PDF File with a break down of all the prices for recovery and for hard drive repairs. They Recovered 90 to 95% of my files And the price I Paid Data clinic to repair my hard drive and to recovered the data and transfer to a new hard drive was cheaper than the first company that wanted to scam me . Data clinic price was lower than the £2400 and the £1500 . Data clinic services is on point and I would use them again if I have any issues and I would recommend Data clinic service 100%
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I dropped my "waterproof" phone in a swimming pool while abroad. Because I was roaming, nothing was backing up to the cloud, meaning the entirety of our honeymoon memories were trapped on the device. Thinking the phone was waterproof, I did everything you’re not supposed to do—I tried turning it on and plugging it in to charge. It overheated so badly that I was certain I had destroyed the phone and lost everything. Despite the massive damage I caused, the experts at Data Clinic managed to recover every single byte of information! The logistics were incredibly smooth. From my initial contact, they arranged a next-day courier and didn't take a penny in payment until they confirmed the device was physically in their hands. My only constructive feedback is regarding their communication during the actual repair. After that initial confirmation, things went completely quiet for about three weeks with no ETA. Handing over your phone and PIN to a third party requires a lot of trust, and the radio silence definitely made me worry. However, I really didn't need to panic. Out of the blue, they contacted me to say everything was recovered, and just 24 hours later, a memory stick arrived with all my data. Highly recommended, even if your phone seems completely beyond saving! Thanks Janice and Mohammed - you have been so pleasant and helpful. And thanks to the entire DataClinic team.
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A very smooth experience from start to …
A very smooth experience from start to finish. I had a large music collection I thought I’d lost forever. I phoned them up and the process was clearly explained to me. They got my drive on the 4/8/26 and I got my data back on the 11/8/26. I got all of my data apart from one file that they reported was damaged so a fantastic result for me. Very reasonable price and very pleased with the quick service. The only negative was that the online payment system is not very mobile phone friendly and I had to call them to make the payment but apart from that i am super pleased I chose them. I would certainly recommend this company to everyone.
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A very effective service
My iPhone completely bricked on holiday and I tried everything, even a new screen but I couldn’t get it to work. I thought I had lost all my holiday photos but Data Clinic managed to recover everything that was on the phone and I couldn’t be happier! They are very friendly and knowledgeable and the service is very in depth. They are honest and upfront about costs and will outline the whole process for you. I would definitely recommend instead of trying to take apart the phone yourself, it’s worth the money!
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Frequently asked questions
Can you recover files from a formatted hard drive?
Usually, yes. A quick format — the default in Windows and the normal ‘Erase’ in Mac Disk Utility — only writes a new, empty file system and leaves your files’ data on the disk until something new overwrites it. Stop using the drive and scan it with read-only recovery software from a different computer or as a second drive.
Does a quick format erase data?
No. A quick format replaces the drive’s index of files, not the files themselves. The data stays where it was until new files are written over it, which is why the most important thing you can do is stop using the drive straight away.
Can data be recovered after a full format?
On Windows Vista and later, a full format (with ‘Quick Format’ unticked) writes zeros over the whole volume, so there is nothing left for software — or anyone else — to recover. If the format took seconds it was a quick format; if it ran for hours on a large drive, it was probably a full one.
I formatted the drive and reinstalled Windows on it. Can I get my old files back?
Sometimes, partly. The reinstall writes many gigabytes of new files over the start of the drive, so some old files will be overwritten, but data further in often survives. Stop using that computer, take the drive out and scan it from another PC — recovery software should never be run from the drive it is trying to recover.
Will my file names and folders come back?
It depends on the file system and what survived. A quick scan reads whatever file tables are still on the drive and keeps names and folders. A deep scan reads those tables too, then finds the rest by recognising their content, which works after a format; files found only by content come back with numbered names such as Rescued_0001.jpg in a [Found by content] folder. After a quick format of an exFAT or FAT32 drive, Data Clinic Recovery for Hard Drives also finds the old folder listings the format left behind and restores those files with their names, under [Old folder listings]. On an NTFS drive, names can’t come back after a format, because Windows clears the file table.
How long does it take to scan a formatted hard drive?
A quick scan takes minutes. A deep scan reads every sector of the drive, so on a large hard drive it can take hours. A healthy drive can be left scanning; a drive that slows down, stalls or throws read errors while scanning should not be — stop and image it first, or send it to a lab.
Is there free software to recover a formatted hard drive?
Some tools are free with limits, and some let you scan free and pay to recover. Data Clinic Recovery for Hard Drives has a free scan and preview, so you can see exactly which files are recoverable before paying anything. For memory cards, Data Clinic’s separate Memory Card Recovery tool is free.
My drive was formatted and now it clicks or isn’t detected. Will software help?
No. Clicking, beeping, grinding, not spinning, not being detected or disconnecting are physical faults, and running any software makes the drive work harder and can destroy what is left. Switch it off and book a free assessment with our lab.
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