Recover Files from a Corrupted macOS

How to Recover Files from a Corrupted macOS Partition? 

Monday 27th Jan 2025 |

Sudden corruption of the macOS partition sometimes makes all its stored content inaccessible.

Whether you lost your important work-related files, precious memories, or any other data, don’t worry. With the right tools and techniques, you can easily recover files from your corrupted macOS partition.   

In this blog, we have discussed some common solutions to recover files lost from a corrupted macOS partition easily and hassle-free. Keep reading!  

Understanding Common Causes of macOS Partition Corruption 

Before you use any Mac data recovery software or manual workarounds to recover files from Mac’s corrupted partition, try finding the adequate reason for such corruption. Here are some common causes: 

  • Unexpected Power Shutdowns: File structures may get damaged due to interruptions during crucial read/write operations on disk/partition. 
  • File System Errors: Incorrect disc ejection or macOS flaws are also one of the main reasons for File system corruption or even deletion. 
  • Malware or Viruses: Malicious software like viruses or malware, though uncommon on macOS, attacks your device partition and affects stored content.  
  • Hardware Failures: Any problem with your Mac’s SSD or hard drive results in data corruption or deletion. 

When your partition is corrupted, you may encounter problems like data inaccessibility or your Mac might fail to recognize the drive. Such issues also display error messages like “Disk not readable”. 

Immediate Steps to Take Before Attempting Recovery 

Here are some preliminary steps that you must consider before proceeding with recovery methods for data recovery on Mac with a corrupted partition: 

  • Stop Using the Infected Partition: The chances of the successful recovery decrease if recoverable data on the corrupted partition is overwritten by new files. 
  • Backup Immediately: Create a backup of your important files using an external device or cloud service like Google Cloud, iCloud, etc.  
  • Check for Disk Errors: For this, go to Applications > Utilities, then launch the macOS Disk Utility. Open the “First Aid” utility after selecting the affected partition. Although this might resolve some problems, not all files will be recovered. 
  • Check Compatibility with File Recovery Tools: Ensure that your Mac partition supports file systems like APFS, HFS+, etc. This will assist you in selecting the appropriate tool for data recovery on Mac. 

How do I Recover Files from a Corrupted macOS Partition? 

Now that you are familiar with the reasons for corrupted macOS partitions, it’s time to begin with Mac data recovery methods to restore your lost files. Just go with these methods for data recovery on Mac one-by-one to get the files back: 

Method 01: Use Professional Mac Data Recovery Software 

If you are looking for the simplest approach to restore lost files from a corrupted macOS partition, then a professional data recovery software will be the best choice. Tools like Stellar Data Recovery Professional for Mac allow you to recover files lost due to accidental deletion, formatting, corrupted partition, or any other reason in a few simple clicks.  

  • Whether you lost your photos, videos, documents, or any other type of files, this professional Mac data recovery software is definitely the best choice for your lost data recovery.  
  • Offers a ‘Pause and Resume’ scan feature to restore files while the scan is in progress.  
  • The software supports the recovery of files from the latest macOS Sequoia 15 and M3-powered Mac systems. 
  • It can recover files from various internal or external storage devices, including SSD, Hard disks, fusion drives, and even Time Machine backups.  

Here’s how to recover files from a corrupted macOS partition using this professional Mac data recovery software: 

Step 1: Download and install the Stellar Data Recovery Professional tool on that partition of your Mac which is not affected by corruption or data loss. Launch the software and from the homepage, select the type of file you need to recover and click Next.  

Step 2: From the Recover From window, choose the drive where your deleted data was earlier stored and click Scan to initiate the scanning process. 

Step 3: Wait for the scanning process to complete. After that, preview the recoverable files and click the Recover button to save selected files at the desired location on your Mac.  

Method 02: Use Disk Utility to Recover Lost Files 

macOS provides a built-in Disk utility tool which can repair corrupted partitions and allows you to restore access to lost files. While it may not directly allow you to access files, but may fix errors which make your data inaccessible. All you have to do is: 

  • Firstly, search for “Disk Utility” in Spotlight or navigate to Applications > Utilities > Disk Utility. 
  • Select your corrupted drive or partition from the left-navigation pane. 
  • Now, click on the First Aid button located in the top toolbar. 
  • Click Run to confirm the process so Disk Utility can scan and fix the corrupted partition. 
  • When First Aid repairs the partition, try accessing your required files using Finder. You can also use previously created backups to third-party tools for data recovery on Mac. 

Once you can access files from your corrupt partition, copy them to a safe external drive to avoid future loss. Avoid writing new data to the corrupted partition to prevent overwriting recoverable data. 

Method 03: Use Recovery Mode 

Another built-in tool that you can use to recover files from a macOS partition is Recovery mode. To restore files: 

  • Restart your Mac by pressing the Command + R keys simultaneously until the Apple logo appears. 
  • Now, select the “Restore From Time Machine Backup” option from the macOS Utilities window or use “Disk Utility” to repair the corrupted partition.   
  • Go through on-screen instructions to recover your lost files.  

Method 04: Seek Professional Data Recovery Services 

If all the above methods fail, seeking professional services can help you recover your lost files easily. There are several options such as DriveSavers and Ontrack which offer recovery of files lost from your Mac without much effort. While this method is expensive, it must be the last choice for important data recovery. 

Key Takeaways 

Recovering files from a corrupted macOS partition may appear challenging, but with the aforementioned Mac data recovery software and manual techniques, you can easily restore your lost data. Prior to using professional services or third-party recovery software such as Stellar Data Recovery Professional for Mac, check if data recovery on Mac is possible via macOS’s built-in utilities.  

After successfully recovering lost files, create a backup of your important files and folders at a safe location to help you in future data loss issues. Whether you’re dealing with minor file system errors or severe data loss, there’s always a solution to get your data back on track. 

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