Why can I not copy files to external hard drive Mac?

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I can’t copy files to an external hard drive?

If you connect an External Hard Drive to your Mac and try to copy files/folders and a prohibition symbol appears you are in the right place.

You will see that if you open External Hard Drive at the bottom you will find a symbol depicting a pen with a slash:

Workable SolutionsStep-by-step Troubleshooting
Guide 1. Enable NTFS Write Support to External Hard Drive on Mac 1. Mac Disk Utility...Full steps
2. EaseUS NTFS for Mac...Full steps
3. Terminal...Full steps
Guide 2. Transfer or Copy Files from Mac to External Hard Drive Step 1. Open the external hard drive; Step 2. Open the internal disk or folder...Full steps

On this page, I'll be showing you the complete process of how to configuring NTFS storage devices and make them accessible on a Mac computer. If you are looking for a way to copy files from Mac to an external hard drive or USB in NTFS format, follow the guide below. You'll make the NTFS storage devices work on your Mac computer.

How Do I Copy Files from My Mac to an External Hard Drive in NTFS Format?

Can Mac use the NTFS external hard drive? I wanted to copy some important files from Mac to my external hard drive as a backup but just couldn't. Is there a way that can configure Mac to work with Windows NT File System? Yes! 

The reason why you can't transfer files between a Mac computer and an NTFS external storage device is that the NTFS format is not a compatible file system in macOS. Apple macOS doesn't have the right to write to an NTFS device. 

And that explains why that you can only view and see the content in your external hard drive but can't make any changes to the content, such as editing, modifying, correcting, removing, or deleting. 

So how to make it possible to copy files from Mac to an external hard drive? Follow the complete guides below, you'll acquire the access to copy or transfer files between Mac and the NTFS external hard drive successfully. 

Guide 1. Enable NTFS Write Support to External Hard Drive on Mac

To configure Mac working with NTFS-formatted storage devices, your first step is to enable NTFS write support on Mac computer. Here we connected 3 practical methods with detailed steps that you can follow a favored method to start:

#1. Format NTFS External Disk to FAT
#2. Enable NTFS Write Support via EaseUS NTFS for Mac - 1-Click Fix
#3. Enable NTFS Write Support via Terminal

Your Quick Guide: 

  • If you have essential files saved in the external hard drive, or you want to copy files from Mac to an external hard drive without formatting, try Method 2 or Method 3.
  • For the easiest way to configure Mac working with NTFS-formatted devices, follow Method 2 and take third-party & 1-click fix for a try.

Let's get started.

Method 1. Format NTFS External Hard Drive to FAT

Tool: Mac Disk Utility

Duration: 2-5 minutes

Apple Mac operating systems are designed to support HPFS, APFS, HFS+, HFS, and FAT32, etc., file systems. As for the NTFS format, macOS only supports reading content in the device. To obtain access to modify, correct, add, or remove data from the NTFS external hard drive on Mac, you can format the device to the FAT file system.

Note that this will result in data loss. So make sure that you back up essential files in advance. 

Here are the steps to format NTFS external hard drive to FAT on Mac:

Step 1. Connect the NTFS external hard drive to Mac.

Step 2. Go to Finder, click "Applications" > "Utilities" > Double-click to open Disk Utility.

Why can I not copy files to external hard drive Mac?

Step 3. Select the NTFS external hard drive and click "Erase" in Disk Utility.

Why can I not copy files to external hard drive Mac?

Step 4. Select "MS-DOS (FAT)" as the new file system format for the external hard drive, then click "Erase". 

Why can I not copy files to external hard drive Mac?

Method 2. 1-Click to Enable NTFS Write Support via EaseUS NTFS for Mac

Tool: EaseUS NTFS for Mac 

Duration: Within 1 Minute

Is there a way that can configure NTFS external hard drive access on Mac without formatting? Sure! Third-party software like EaseUS NTFS for Mac can enable NTFS write support on Mac so to make your NTFS external hard drive writable automatically.

With it, you can manually or automatically enable accessibility on Mac to read, write, modify, copy, transfer, and even delete files on an NTFS external hard drive. How to use it?

Here are the steps:

Step 1. Launch and activate EaseUS NTFS for Mac. Click "I already have a license" to unlock this software.

Why can I not copy files to external hard drive Mac?

Step 2. Connect an NTFS drive to Mac, EaseUS NTFS for Mac will automatically detect the device. Select your drive and you'll see it's now marked as 'Read-only". Click "Enable Writable" to add read and write rights to the drive.

Why can I not copy files to external hard drive Mac?

Step 3. When the state of NTFS drives turns into "Writable".

Why can I not copy files to external hard drive Mac?

Step 4. EaseUS NTFS for Mac will pops up a window to help Mac get access to the NTFS drive:

  1. 1. Select "Full Disk Access", click the Lock icon and enter admin password to unlock it.
  2. 2. Select the two icons of NTFS for Mac.
  3. 3. Drag them to the "Full Disk Access" list.
  4. 4. Click " Quit & Restore" to re-launch EaseUS NTFS for Mac.

Why can I not copy files to external hard drive Mac?

Step 5. When EaseUS NTFS for Mac restarts, you can then open to check, read, write, and even modify saved data on the NTFS device.

Why can I not copy files to external hard drive Mac?

As long as you enabled the NTFS write support to your external EaseUS NTFS for Mac will detect the NTFS external hard drive and automatically enable it on Mac.

After this, you can open the NTFS external hard drive on a Mac computer and make changes to the saved data flexibly.

Method 3. Enable NTFS Write Support via Terminal

Tool: Mac Command Tool - Terminal

Duration: 2-3 minutes

The last way that you can try is to turn to the Mac built-in command tool -Terminal for help. It requires that you need to be familiar with Mac computer operations and be very careful. Any false operation may cause serious results.

Let's see how to make your NTFS external hard drive writeable on Mac computers:

Step 1. Go to Finder > Click "Applicatinos" > "Utilites" > Double-click to open "Terminal".

Why can I not copy files to external hard drive Mac?

Step 2. Connect the NTFS external hard drive to your Mac computer.

Why can I not copy files to external hard drive Mac?

Step 3. Type sudo nano /etc/fstab in Terminal and press Return.

Why can I not copy files to external hard drive Mac?

Step 4. Type LABEL=NAME none ntfs rw, auto, nobrowse in Terminal and replace NAME with the name of your NTFS external hard drive.

Why can I not copy files to external hard drive Mac?

Step 5. Press Control + O to save the changes.

Step 6. Press Control + X to close Terminal.

Step 7. Go to Finder, click "Go" > "Go to Folder" > Type "/Volumes" and click "Go".

Why can I not copy files to external hard drive Mac?

After this, Mac will list your external hard drive with the internal hard drives on Mac in the Volumes pane. And you can then follow the guide in the next part to copy files from Mac to an external hard drive successfully.

Guide 2. Transfer or Copy Files from Mac to External Hard Drive

Step 1. Open the external hard drive.

Step 2. Open the internal disk or folder, where you saved essential files for copying or transferring.

Why can I not copy files to external hard drive Mac?

Step 3. Drag the files from a Mac local volume or folder and drop the data into the external hard drive.

Repeat the operation until you copied all the desired files from Mac to the external hard drive.

Why can I not copy files to external hard drive Mac?

NTFS External Disks Need Write Support for File Transferring on Mac, Go and Make It Work Now

Note that when you directly connect an external hard drive to a Mac computer, you'll be presented with Read-Only limits on the disk. As a result, you can only view files and file content on the external hard drive on Mac.

To obtain access to editing, modifying, copying, transferring, or even deleting files or file content on the NTFS external hard drive, you need to first enable NTFS write support on Mac. To do so, you have three options here for help:

  1. 1. Format external disk to FAT
  2. 2. Use EaseUS NTFS for Mac
  3. 3. Use Terminal

For the easiest solution, don't miss EaseUS NTFS for Mac as it'll automatically enable the drive modification authority to your Mac computer once the NTFS external hard drive is detected by this software. To make use of the NTFS external hard drive between your Windows and Mac computer, follow the solutions on this page to make it work now. 

Why can't I transfer files to external hard drive Mac?

If you can't move or copy a file or folder, you might need to change its permissions settings. You might also need to change permissions settings for the disk, server, or folder where you want to move the item. On your Mac, select the item, then choose File > Get Info, or press Command-I.

Why files are not copying to external hard drive?

If you can't copy files to external hard drive and it's frozen, there is an off-chance that the drive is improperly formatted or something is wrong with the drive's software aspect. You can fix it by reformatting the drive to NTFS.

Why can't I add things to my hard drive on Mac?

What Does It Mean When a Hard Drive Is Locked on Your Mac?.
The drive is set to read-only permissions, so you can't add or delete files..
The external hard drive uses a partially supported file system, like NTFS, which macOS only supports as read-only..

Why is my Mac not copying and pasting?

The most likely reason why copy and paste are not working on your Mac is that your clipboard stopped working and it needs to be reset to get it going again. Sometimes, you may even get error messages saying “pboard quit unexpectedly.” Then you will know that you need to restart pboard to get it working again.