How to recover data from external hard drive on Mac?

Posted by Autumn X to Mac Data Recovery on June 14th, 2017

Many of us are using external hard drive on Mac. The external hard drive brings convenience to us, especially for Mac users who need quite large storing space to store data on Mac computers. However, problems those cause data loss still occur to Mac external hard drive. In this article, problems those cause data loss in external hard drive and way to recover lost/deleted files from external hard drive on Mac will be given.

Problems that cause data loss in external hard drive on Mac

There are many problems that can cause data loss in external hard drive on Mac. The followings are common problems.

File deletion in external hard drive

We may delete files intentionally or unintentionally. Deletion of files is the most common reason for data loss. Undeleting files on Mac OS X can be a big problem for us.

External hard drive not mounted on Mac

Sometimes our external hard drive appears in Disk Utility but not in Finder or on the Desktop. In Disk Utility, we find external hard drive is not mounted and the only thing we can do is formatting it. That makes us lose the data in that external hard drive and we may don't know how to recover those data.

External hard drive becomes unreadable on Mac

When we try to open an external hard drive on our Mac, it may show us "The disk you inserted was not readable by this computer." That means our external hard drive becomes unreadable and we can't get our data from the external hard drive. Recovering data from unreadable external hard drive on Mac is very crucial for us.

External hard drive is formatted

Sometimes we format our external hard drive by accident and we may have to format it to make it mountable or readable on our Mac. That causes data in that external hard drive lost. And we do need a way to recover data from formatted external hard drive on Mac.

Virus attack to external herd drive

When a virus or malware program attacks the external hard drive, the drive's system may get infected and that results in external hard drive failure and data loss. We'll be very happy if we can recover those data from external hard drive.

Besides those, there are many other reasons for data loss in external hard drive. When we find data loss problems in our external hard drive, we should stop using it to avoid lost data being overwritten by new data. Once the lost data have been overwritten, it's impossible for us to recover those data from external hard drive on Mac. The way to recover data from external hard drive on Mac is given in the next part.

Recover data from external hard drive on Mac with free Mac external hard drive recovery software

When we lose data from an external hard drive, we are anxious to find ways to recover data from external hard drive on Mac. Using free Mac external hard drive recovery software to recover lost/deleted files from external hard drive on Mac is the best way. Among the free Mac external hard drive recovery software, iBoysoft Mac Data Recovery is highly recommended.

iBoysoft Mac Data Recovery can even recover lost files from external hard drive that is not mounted, unreadable or formatted on macOS 10.13 (High Sierra), macOS 10.12 (Sierra‎) and Mac OS X 10.11/10.10/10.9/10.8/10.7/10.6. No matter those files are documents, photos, music, videos, etc., it does recovery very well.

Download iBoysoft Data Recovery

Here is step-by-step guidance to recover data from external hard drive on Mac with this free Mac external hard drive recovery software.

Step-by-step guidance to recover data from external hard drive on Mac

Step 1: Download and install iBoysoft Mac Data Recovery on Mac.

Step 2: Connect the external hard drive that needs to recover data to Mac.

Step 3: Launch this free Mac external hard drive recovery software, and select the external hard drive that needs to recover data.

Free Mac external hard drive recovery software - iBoysoft Mac Data Recovery

Step 4: Click "Next" to scan all deleted/lost data.

Step 5: Preview the results, choose files need to be recovered and click "Recover" to recover those lost/deleted files from external hard drive on Mac. (Notice: Please don't store recovered data in the same external hard drive.)

What's more, iBoysoft Mac Data Recovery can recover lost/deleted files from Macintosh HD, Mac Trash, USB drive, SD card, CF card, memory stick, micro card, digital camera and other storage devices.

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