How to Format LaCie External Hard Drive for Mac?

Charles
Written byCharlesUpdated on Jan 04, 2026
Gerhard Chou
Approved byGerhard Chou

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Before we start: To make a LaCie external hard drive compatible with macOS or remove all data quickly, you can format the drive directly in Disk Utility on Mac. For some users, the drive might be sold or donated, then it's better to wipe the drive permanently with Donemax Data Eraser to ensure the data is gone for good and no longer recoverable.

 

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The competence of LaCie, a widely respected name in external hard drives, is on full display in this gadget, which is as visually striking in orange as it is functional. Even though it's not a solid-state drive, it has impressive raw transfer speeds and is compact enough to bring anywhere.

format LaCie drive on Mac

It has built-in encryption and a backup system with 256-bit AES security. It can survive drops from up to 1.2 meters while it's turned off, but that's about it for its shock and drop resistance.

In this guide, we will show you how to format LaCie drive on Mac, how to recover lost data from formatted LaCie drive, and the best way to wipe data permanently from a LaCie drive on Mac.

Important LaCie Hard Drive Information

French company LaCie has been making high-quality hard disks since 1989. Despite being acquired by Seagate Corp in 2014, LaCie hard drives continue to perform exceptionally well in the hard drive market. It aspires to supply top-tier storage options for photographers, filmmakers, audio engineers, and other power users. Keep reading to learn all there is to know about the LaCie hard drive.

Superior layout

The LaCie disk is far more akin to a work of art than a typical hard drive, thanks to its smooth curves and industrial design. At the same time, the LaCie hard disk is more resistant to physical damage thanks to how it appears in the user's mind. It gives the LaCie hard drive a special appeal to engineers, photographers, and designers who spend a lot of time working in the great outdoors.

Read and write quickly

A hard drive's read and write speeds are major issues for those who regularly use one. The Benchmark claims that the LaCie hard drives read and write speeds are exceptional, clocking in at 130.9MB/s and 133.6MB/s, respectively, when connected to a USB 3. o connection. These speeds are quicker than the blazoned 130MB/s and outpace those of competing hard drives.

How to Format LaCie Drive on Mac?

When do you need to format a LaCie drive on Mac? First, the brand-new LaCie drive might not be initialized, then you need to initialize and format it first before you can use it. Second, If the file system is corrupted on the drive and make it inaccessible, you can reformat it to make it working again. Also, if the file system is not compatible with macOS, you can format it and assign a file system which can work on Mac. For example, due to copyright restrictions, Mac cannot use Microsoft's NTFS file system fully. The NTFS drive can be read from but not written to.

Check Your LaCie External Hard Drive File System:

If you can only read a LaCie hard disk, you should start by verifying its file system. There is a possibility that the LaCie hard drive is NTFS formatted, which would explain why it is not writable on your Mac machine. Apple's macOS isn't able to write files to the drive in this format. You need first to make sure it is NTFS formatted.

If you want to make sure your LaCie hard drive is in good working order, here's how to do it:

  1. After plugging in your LaCie drive, launch Disk Utility on your Mac.
  2. Select your LaCie drive in the left pane of the Disk Utility window.
  3. You will then see the file system information of the LaCie external hard drive at the right pane.

check file system of LaCie Drive on Mac

Format LaCie Drive on Mac with Disk Utility

If you find the file system is incompatible or you need to format the LaCie Drive on Mac due to other reasons, you can format it in Disk Utility directly. Please ensure you have a backup of all the data on the disk before formatting it, as doing so will delete everything from the LaCie external drive.

  1. Join the LaCie NTFS hard disk to the Mac.
  2. Open Disk Utility, click to select the LaCie external hard drive.
  3. To format the LaCie external hard drive for Mac, click Erase.
  4. Give your hard drive a new name if you want.
  5. Choose "APFS" for the Format. If you want to utilize this drive with both Mac and Windows, select "ExFAT" instead.
  6. Click Erase button again in the popup window. Once the reformat is complete, the LaCie hard drive will be formatted in APFS or other selected file system, and you can use it like any other external hard drive.

format LaCie drive on Mac with Disk Utility

Is Formatted Data Recoverable on Mac?

If you simply formatted the LaCie external hard drive on Mac, there data is not gone permanently. With a reliable Mac data recovery software, it's able to get back the missing files on Mac.

If you reformat the LaCie external hard drive by mistake and don't have a backup, you still can recover lost data from it. Donemax Data Recovery for Mac is a powerful data recovery application, it can easily and quickly recover formatted or deleted data from any local disk or external disk.

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  • Unformat LaCie external hard drive and get back lost data on Mac.
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  • Best data recovery software to macOS Tahoe and Apple Silicon Macs.
 

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How to Recover Lost Data after Formatting LaCie Drive on Mac?

After formatting the LaCie external hard drive, don't put new files to it to avoid overwriting. Download and install Donemax Data Recovery for Mac on your Mac, then open it (enter your login password to allow this software to run on your Mac if necessary). Then connect the formatted LaCie external hard drive to your Mac via USB or USB hub.

Following the steps below can help you easily recover the lost data from a formatted LaCie external hard drive on Mac:

Step 1. Open Donemax Data Recovery for Mac on your Mac and connect the formatted LaCie external hard drive to your Mac. Select the LaCie external hard drive to start data recovery.

recover data from formatted LaCie drive on Mac

Step 2. Click on Scan button. Donemax Data Recovery for Mac will deeply scan the formatted LaCie external hard drive and find all recoverable files.

recover data from formatted LaCie drive on Mac

Step 3. Once the scan is completed, you can preview all recoverable files such as images, documents, videos, etc. Then select the wanted files and save them. You also can select All Files and save them to a safe location.

recover data from formatted LaCie drive on Mac

It is recommended to save the recovered files to your Mac. If you save files to the LaCie drive, lost files may be overwritten by new files.

Permanently Wipe LaCie External Hard Drive on Mac

If you will sell or donate your LaCie external hard drive, you should permanently wipe all data off. With data erasure software, you are able to wipe LaCie external hard drive on Mac, beyond the scope of data recovery.

Here is how to wipe data permanently from LaCie drive on Mac:

Step 1. Download and install the software Donemax Data Eraser for Mac.

Step 2. Launch the data erasure software and change to Erase Hard Drive mode. Select the LaCie external hard drive which you want to wipe.

permanently wipe data from LaCie drive on Mac

Step 3. Click the Erase Now button and then you will be asked to select a data erasure standard from the drop-down list.

permanently wipe data from LaCie drive on Mac

Step 4. At last, you can execute the data wiping process. Once it's done, the drive is reformatted and all data is gone forever. No software can recover the wiped data.

permanently wipe data from LaCie drive on Mac

Conclusion:

Any system, whether PC or Mac, can read the contents of a drive. But the drive must be formatted with the right file system before it can talk to the computer. Learn how to format a disk in Windows or Mac and get an overview of file systems.

Modern external hard drives from Seagate and LaCie come pre-formatted with the exFAT file system, making them compatible with Mac and Windows without additional conversion software. It is necessary to reformat some older drives to use them with modern computers, while other drives can be used with either a PC or a Mac through special utilities.

Using the right file system is essential. The drive's performance can be maximized by formatting it with the operating system's default file format. Formatting your disk as exFAT is recommended if you intend to use it with a Mac and a PC. If you're having trouble deciding between different file formats, the File System Format Comparisons can help.

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Charles
Contributing Writer

Charles

Charles, who lives in Sydney, Australia, is an editor & writer of Donemax Team. He is good at writing articles related with Apple Mac computers, Windows operating systems, data recovery, data erasure, disk clone and data backup, etc. He loves reading and playing tennis in his spare time and is interested in testing new digital devices such as mobile phones, Macs, HDDs, SSDs, digital cameras, etc.

Gerhard Chou
Editor in chief

Gerhard Chou

In order to effectively solve the problems for our customers, every article and troubleshooting solution published on our website has been strictly tested and practiced. Our editors love researching and using computers and testing software, and are willing to help computer users with their problems