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2022 Unformat Freeware | Unformat Hard Disks/USB Drives with Ease

Don't worry if you mistakenly formatted a hard drive partition or an external hard drive, USB, etc. On this page, we'll explain what does unformat mean, what to do when you formatted a wrong drive, what is the best unformat freeware in 2022, and guide you to unformat a disk and recover all lost data immediately.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.4

Table of Contents

Applies to: Unformat and recover data for free, unformatHDD/SSD, external hard drive, USB flash drive, SD card, etc.

Did you mistakenly format a hard drive when Windows pops up an error message, telling that "You need to format the disk in drive N: before you can use it", and then lost important data?

Follow the content navigation bar to get your best unformat solution now:

What Does Unformat Mean

To understand what does unformat mean, you should first understand the meaning of format.

Format, which usually refers to a high-level format, is a process to prepare the chosen partition on the drive to be used by deleting all the data and setting up a new file system.

Unformat means recovering lost data from a high-level formatted disk, like a hard drive, USB flash drive, memory card, etc., and converting the file system to the previous state if possible.

Extended Reading: What Is High-Level Format
Generally, the high-level format is a process to remove saved data from a storage device, and reset the file system for a specific purpose in Windows or Mac computer. The popular file systems are NTFS and FAT32.
Ordinary people can directly execute a high-level formatting on their own by using Windows File Explorer, Disk Management, or CMD format command.

So what to do when you formatted the wrong device and how to unformat the drive? For a Mac user, you may refer to Unformat Mac Hard Drive for help. Windows users can follow the guidance below to safely unformat your drive and bring back all their files immediately.

What to Do When You Formatted a Wrong Drive

Here are two things you should do when you committed formatting on a wrong storage device, like hard drive, external USB, SD card, etc.:

  • First, stop using your formatted device. Don't use or save new files to your drive.
  • Next, turn to reliable format recovery software for help.

If you need free unformat software, EaseUS free data recovery software is capable of helping you out.

2022 Best Unformat Freeware Free Download

Free data recovery software - EaseUS Data Recovery Wizard Free Edition is able to solve the problem completely, allowing all level of users to recover formatted data from a local hard disk, external hard drive, USB flash drive, memory card, etc., easily.

If you lost something important due to a hard drive formatting, EaseUS Data Recovery Wizard is here to help you get them back.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.4

This unformat freeware worths well to try for its high performance, stability, and flexibility:

  • Support formatted recovery, deleted file recovery, partition recovery, OS crash recovery, etc.
  • Support all existing file types (photos, videos, audio files, documents, emails...)

How to Recover Formatted Data with EaseUS Unformat Freeware

To unformat a storage device, you need to follow through with the two processes below:

1. Recover Data from Formatted Hard Drive

EaseUS Data Recovery Wizard makes it really simple for you to unformat your hard drive, USB flash drive, memory card, etc. With a few simple clicks, you can retrieve your lost files after format within minutes.

Video Tutorial to Recover Files from Formated Hard Drive

Note: To guarantee a high data recovery chance, install EaseUS data recovery software on another disk instead of the formatted disk. 

Step 1. Launch EaseUS Data Recovery Wizard. Choose the hard drive partition which you've accidentally formatted and click "Scan".

select a partition and click scan

Step 2. This formatted hard drive recovery software will start scanning for all the lost data and files. After scanning, you can click "Filter" to filter a specific file type to quickly find files you need. Or click Search files or folders to select data that you want to recover.

select scanned files

Step 3. Preview the scanned files. Then, select the ones that you wish to recover and click "Recover". Choose a new location to store the files and click "OK".

recover files from formatted HDD

Note: Don't save the restored files back to your formatted device before making sure it's available for data sotrage again.

The steps above show you the way to unformat a hard drive. You can use the very same way to recover data from other storage devices.

2. Format or Revert The Device to Its Previous File System (Optional)

If you've changed the device file system while formatting and you want to get its previous file format back. You may retry to format and reset the file system on your drive again.

This is why we suggest you save the recovered data to another secure location so as to avoid further data loss.

Here, we'll take formatting USB to FAT32 as an example to show you how to revert the device to its previous file system:

Step 1. Connect USB to your PC, press Windows + E keys to open File Explorer.

Step 2. Right-click on your USB drive and choose "Format".

Step 3. Set FAT32 as the file system (assume FAT32 is its default format), check "Quick Format" and click "Start".

format usb under 32gb to fat32 in windows explorer

You can also apply this method to restore your device to other file systems as long as you've recovered and saved the formatted data to another safe location with the help of EaseUS unformat freeware.

Bonus Tip: If you want to revert FAT32 to NTFS on your storage devices, besides formatting, you may also try: Convert FAT32 to NTFS Without Data Loss.

Bottom Line

On this page, we explained what is "unformat" which acctually is the process of recovering data after format. When you mistakenly formatted a hard drive, you should first stop using the device and then turn to a reliable unformat software for help.

Versatile unformat software - EaseUS Data Recovery Wizard can fully fulfill your needs and recover files from your formatted disks in only 3 steps.

 Download for Win Recovery Rate 99.7%
 Download for Mac Trustpilot Rating 4.4

If some of you prefer to reset or revert the file system of your device to a previous format, you may commit formatting again on your drive after saving the recovered data to another secure location.

Last, to protect your valuable files from being formatted, it's a wise choice to create an extra backup of your data in the right way. You can either manually copy and paste files one by one or turn to reliable file backup software to safely back up all data at once.

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Updated by Cedric

Cedric Grantham is one of the senior editors of EaseUS who lives and works in Chengdu, China. He mainly writes articles about data recovery tutorials on PC and Mac and how-to tips for partition management. He always keeps an eye on new releases and likes various electronic products.

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Written by Daisy

Daisy is the Senior editor of the writing team for EaseUS. She has been working in EaseUS for over ten years, starting from a technical writer to a team leader of the content group. As a professional author for over 10 years, she writes a lot to help people overcome their tech troubles.

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