Recover Accidentally Erased Mac Hard Drive

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Summary: Learn how to retrieve your lost data from a Mac external hard drive after accidentally erasing it using Disk Utility.


Hi, I’ve accidentally erased my 1 TB WD external hard drive on my MacBook Pro running on macOS Ventura. The hard drive contained my photos, videos, and important documents that I’ve archived in it. Please suggest any way to recover my lost data from the drive. Sincerely, Michael Lynn

Mac hard drives erasure due to human error is common. In such a situation, the best way to avoid permanent data loss is to stop using the storage drive immediately. Once you recover data from the drive using a free Mac data recovery software, you can restore the recovered data to the drive and use it as usual. The next section describes the software method in detail. 

Use Free Mac Data Recovery Software

If you have erased the external hard drive using Disk Utility then perform the following steps immediately.  

a)  Install the *Stellar Data Recovery Free Edition for Mac software. 

free-download

 b) Launch the software, select the type of data present on the external hard drive, and then click Next.

Stellar Data Recovery Free Edition for Mac

c) Select the formatted external hard drive, switch on Deep Scan to allow rigorous scanning of the drive, and then click Scan.

Select the Drive

d) Preview any scanned file by double-clicking it to check its integrity. Select all those files that are required.

Preview

e) Click Recover to salvage the recoverable files. On the pop-up window, click Browse to specify a different drive location (to avoid overwriting on the same drive), then click Save.

f) Navigate to the specified location to find all your recovered files. Verify them. Finally, restore the recovered files to the external hard drive.

*Stellar Data Recovery Free Edition for Mac software is suitable for recovering small amount files (up to 1 GB) for free. However, you can switch the Free Edition version to Stellar Data Recovery Professional for Mac once you have consumed the 1 GB free data recovery quota. To know more go to More Tools and click Compare Editions.

Compare Edition

Restore Files on Erased Mac Hard Drive with Backup

For a Mac external hard drive, keeping its backup will help you restore data from the backup medium if you accidentally erase the original drive. 

For the Mac startup disk, macOS has the option of a Time Machine that incrementally backs up data from the disk to an external backup device. So, in case of the erasure of Macintosh HD during the clean installation of macOS or otherwise, you can use Time Machine to restore your Mac data from the backup drive. 

In the absence of backup, you can always rely on Mac’s data recovery software to help salvage all your files and folders from the formatted Mac hard drive, be it internal or external.

Conclusion

Erasing of Mac external hard drive due to human error will no longer bother you. Now, you have Stellar Data Recovery Free Edition for Mac software to rescue your lost data from the erased Mac hard drive with three easy steps: Select, Scan, and Recover. The software is compatible with macOS Ventura 13, Monterey 12, Big Sur 11, Catalina 10.15, and earlier and works on any Mac models, external hard drives, SSDs, USB flash drives, and other data storage media.