[Solved] How to open/access Bitlocker encrypted USB drive on macOS, Mac OS X or Linux?

Updated by Admin to Bitlocker for Mac on September 4th, 2019

Summary: This post will show you how to open/access Bitlocker encrypted USB drive on Mac, how to read/write Bitlocker USB drive on Mac and how to use Bitlocker on Mac.

Download M3 Bitlocker Loader for Mac to open Bitlocker encrypted drive on your Mac now:

Table of contents

Bitlocker for macOS & Mac OS X

I am a cross-platform user, I am sometimes required to use Windows but my OS of choice is Mac. I carry a lot of portable apps on my USB. To secure the data on my USB, such as passwords that are stored in portable browsers, I have enabled BitLocker encryption on the USB drive. However, I need to open Bitlocker encrypted USB drive on my Mac computer and then access the files from Bitlocker encrypted USB drive. How to do it?

The above question is from Apple discussions forum. You may ask the same question if you want to open Bitlocker drive on Mac and access the data:

Is Bitlocker supported on Mac or can Mac open a Bitlocker drive?

The answer is YES. Download M3 Bitlocker Loader for Mac to open Bitlocker encrypted drive on your Mac now:

By default, macOS and Mac OS X cannot open Bitlocker encrypted drive (Many users have known this fact), why?

It is generally known that Bitlocker drive encryption is developed by Microsoft, but Microsoft only released Bitlocker for Windows version and has not implemented Bitlocker for Mac version, so macOS and Mac OS X cannot recognize Bitlocker encryption so that you cannot open Bitlocker drive on Mac.

However, a good news is... With the help of the 3rd-party tool: M3 Bitlocker Loader for Mac, Bitlocker is compatible with macOS Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7 so that you can open Bitlocker drive on Mac and use Bitlocker to encrypt external drive on Mac.

Download M3 Bitlocker Loader for Mac to open Bitlocker encrypted drive on your Mac now:

Have you upgraded to macOS Catalina 10.15 Beta? Current M3 Bitlocker Loader for Mac doesn't support the latest macOS Catalina 10.15 Beta, but the new version will come soon after Apple releases macOS Catalina 10.15 final version. If you have updated to macOS Catalina 10.15 Beta, please contact [email protected] for the solution.

Lost data from Macintosh HD on macOS Catalina 10.15 Beta/Mojave 10.14/High Sierra 10.13 or APFS external drive? M3 Mac Data Recovery supports APFS data recovery and encrypted APFS data recovery so that you can recover lost data from APFS drive.

Even Bitlocker is compatible with Mac by using M3 Bitlocker Loader for Mac, how to open/access Bitlocker drive on Mac or how does Bitlocker work on Mac?

Tutorial to open/access, read, write Bitlocker encrypted USB drive on Mac

Follow below steps to open, access, read, write Bitlocker encrypted USB drive on your Mac computer:

Step 1: Download M3 Bitlocker Loader for Mac on your Mac computer (including iMac, MacBook Air or MacBook Pro).

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Step 2: Double click the installation package and follow the wizard to complete the installation.

Step 3: After the installation completes, launch M3 Bitlocker Loader for Mac from Applications folder or launchpad.

Launch M3 Bitlocker Loader for Mac

Step 4: Insert a Bitlocker encrypted USB drive into your Mac computer.

M3 Bitlocker Loader for Mac requires a healthy Bitlocker encrypted USB drive. If your Bitlocker encrypted USB drive has been corrupted, please download Bitlocker data recovery software: M3 Bitlocker Recovery in Windows and try to recover data from corrupted Bitlocker encrypted drive.

Step 5: After the Bitlocker encrypted USB drive is connected to your Mac computer, choose "Ignore" if you receive a warning message as "The disk you inserted was not readable by this computer. There are three buttons: Initialize, Ignore, Eject".

The disk you inserted was not readable by this computer

Step 6: Select the Bitlocker encrypted USB drive and then click "Open" icon to continue.

Select Bitlocker encrypted drive on Mac

Step 7: Enter the password or recovery key (What is recovery key?) and click "Unlock" to unlock Bitlocker encrypted USB drive on Mac.

Mount Bitlocker encrypted drive on Mac

If it is Bitlocker encrypted OS drive, the recovery key is only way to unlock Bitlocker drive on Mac.

If you lost the password and Bitlocker recovery key, M3 Bitlocker Loader for Mac cannot break into Bitlocker encrypted drive, but you can refer to how to unlock Bitlocker drive without password and recovery key?

Step 8: After unlocking the Bitlocker encrypted USB drive, it will be mounted in read-write mode and then you can access Bitlocker encrypted USB drive like a Mac's native drive, such as read, write, copy, delete, edit, rename, etc.

Open/Access Bitlocker encrypted drive on Mac

The files will not be protected any more once they leave from the Bitlocker encrypted USB drive and the files will be automatically encrypted after copying them from your Mac computer to the Bitlocker encrypted USB drive.

Step 9: After reading/writing Bitlocker encrypted USB drive, please click "Lock" button in M3 Bitlocker Loader home window to lock the Bitlocker encrypted USB drive.

Step 10: Click "Eject" button in the home window of M3 Bitlocker Loader for Mac to safely eject the Bitlocker encrypted USB drive from your Mac computer.

Eject Bitlocker encrypted drive in M3 Bitlocker Loader for Mac

Please don't directly unplug the Bitlocker encrypted USB drive from your Mac computer in case of any disaster, safe ejection is very important to prevent data loss.

Video tutorial:

Key features of M3 Bitlocker Loader for Mac

M3 Bitlocker Loader for Mac can read/write Bitlocker encrypted drive and use Bitlocker to encrypt external drive on macOS and Mac OS X.

1. Read/write Bitlocker encrypted drive on Mac

M3 Bitlocker Loader for Mac can easily open Bitlocker drive (USB drive, flash drive, external hard drive, pen drive, thumb drive, USB stick, memory stick, etc.) and then enable to read/write Bitlocker drive on macOS Mojave 10.14/High Sierra 10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7 Operating Systems after providing the password or Bitlocker recovery key, whichever it is on Mac Mini, Mac Pro, MacBook, MacBook Pro, MacBook Air, iMac or iMac Pro.

2. Use Bitlocker to encrypt external drive on macOS/Mac OS X

Besides to read/write Bitlocker drive on Mac, M3 Bitlocker Loader for Mac can also use Bitlocker to encrypt external drive (USB drive, flash drive, external hard drive, pen drive, thumb drive, USB stick, memory stick, etc.) on Mac OS X 10.11 and above OS, but it requires the file system of external drive must be NTFS, FAT32 or exFAT.

Follow below steps to use Bitlocker to encrypt USB drive on Mac:

Step 1: Download and install M3 Bitlocker Loader for Mac on your Mac computer.

Step 2: Insert a USB drive into your Mac computer.

Step 3: Launch M3 Bitlocker Loader for Mac.

Step 4: Click "Encrypt" button in the toolbar or statur bar.

M3 Bitlocker Loader for Mac

Step 5: After seeing the USB drive, click Encrypt button located the drive which you want to encrypt.

Encrypt drive with M3 Bitlocker Loader for Mac

Step 6: Enter the password (It is used to encrypt USB drive and then unlock the Bitlocker encrypted USB drive later).

Enter the password

Step 7: Save the recovery key.

Save the recovery key

Step 8: Bitlocker drive encryption process will take a while. Once the encryption is completed, your USB drive will be protected by Bitlocker (Actually there is no M3 Bitlocker Loader for Mac installed on your USB drive during the encryption process, so you don't need to worry about your data security).

Start Bitlocker drive encryption on Mac

After using Bitlocker to encrypt USB drive on Mac, you can use M3 Bitlocker Loader for Mac to read/write Bitlocker encrypted USB drive on Mac.

Download M3 Bitlocker Loader for Mac to read/write Bitlocker encrypted drive on your Mac now:

You can also access Bitlocker encrypted USB drive on any Windows computer without the 3rd-party software or access Bitlocker encrypted USB drive on Linux with M3 Bitlocker Loader for Linux.

How to decrypt or turn off Bitlocker on Mac?

Although M3 Bitlocker Loader for Mac doesn't have function to decrypt/turn off Bitlocker on Mac, but you can remove/turn off Bitlocker encryption from the Bitlocker encrypted USB drive on Mac with following method:

Step 1: Back up the important data: Use M3 Bitlocker Loader for Mac to open Bitlocker drive and then copy files out from the Bitlocker encrypted drive.

Step 2: Open Applications folder -> Utilities -> Disk Utility.

Step 3: Select the Bitlocker encrypted USB drive from the left panel in Disk Utility.

Step 4: Click "Erase" on the top menu of Disk Utility and then remove/turn off Bitlocker encryption from the USB drive.

Erase Bitlocker encrypted USB drive on Mac

You can also connect the Bitlocker encrypted USB drive to a Windows computer and decrypt the Bitlocker drive by right clicking the Bitlocker in My Computer -> Manage Bitlocker -> Turn off Bitlocker.

How to format a Bitlocker encrypted USB drive?

For macOS

Step 1: Launch M3 Bitlocker Loader for Mac and then enter the password or recovery key to open Bitlocker encrypted USB drive.

Step 2: Back up the important data.

Step 3: Open Applications folder -> Utilities -> Disk Utility.

Step 4: Select Bitlocker encrypted USB drive from the left panel in Disk Utility.

Step 5: Click "Erase" on the top menu of Disk Utility and then format a Bitlocker encrypted USB drive on Mac.

For Windows

Step 1: Enter the password or recovery key to unlock the Bitlocker encrypted USB drive on Windows.

Step 2: Back up the important data.

Step 3: Right click the Bitlocker encrypted USB drive in My Computer (This PC) or Disk Management and then select "Format" to format the Bitlocker encrypted USB drive on Windows.

Bitlocker for Linux/Ubuntu

M3 Bitlocker Loader for Linux is a command line tool to encrypt USB drive, flash drive or external hard drive with Bitlocker and open/access Bitlocker encrypted drive in Linux/Ubuntu.

Tutorial to open Bitlocker encrypted USB drive in Linux

Step 1: Download M3 Bitlocker Loader for Linux installation package.

Step 2: Insert the Bitlocker encrypted drive into your Linux computer.

Step 3: tar -xvf m3.bitlocker.linux.tar ./

Step 4: cd m3.bitlocker.linux

Step 5: ./install.sh

Step 6: Enter the command to open Bitlocker drive in Linux: m3.bitlocker [device name] [mount path] [volume name] [password]

Bitlocker for Windows Home

M3 Bitlocker Loader for Windows is a free encryption software to create an encrypted container which is compatible with Bitlocker Drive Encryption so that the USB drive, flash drive or external hard drive is protected by Bitlocker in Windows 10/8/7 Home and Windows 7 Professional.

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