Can Mac access a BitLocker encrypted USB drive?

Updated by Tim to BitLocker for Mac Tips on August 13th, 2020

Summary: This article will tell you how to open, read, write BitLocker encrypted USB drive on your Mac with M3 BitLocker Loader for Mac.

Table of contents

BitLocker for macOS & Mac OS X

I am a cross-platform user, I am sometimes required to use Windows but my choice is Mac. To secure the data on my USB, I have enabled BitLocker encryption on USB drive. However, I need to open BitLocker encrypted USB drive on my Mac computer. 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 your 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 a BitLocker encrypted drive on your Mac now:

Many users have known macOS cannot open a BitLocker encrypted drive, why?

As we know, BitLocker drive encryption is developed by Microsoft. However, Microsoft has not implemented BitLocker for Mac version, so macOS cannot recognize BitLocker drive encryption. It is why you cannot open a BitLocker encrypted 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 Mac.

M3 BitLocker Loader for Mac is compatible with macOS Big Sur 11/Catalina 10.15/10.14/10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8. With it, you can open a BitLocker encrypted drive and use BitLocker to encrypt external drive on your Mac.

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

M3 BitLocker Loader for Mac is safe and the security is guaranteed?

Of course, M3 BitLocker Loader for Mac has been released in year 2015. Our company is devoting to offer you the better and reliable products. Check the customer review of M3 BitLocker Loader for Mac...

Lost data from Macintosh HD or APFS external drive? M3 Data Recovery for Mac supports APFS file system and so that you can recover lost files from APFS drive.

Even BitLocker is compatible with macOS through M3 BitLocker Loader for Mac, how to open a BitLocker encrypted drive on Mac?

Tutorial to open, read, write a BitLocker encrypted USB drive on your Mac

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

Step 1: The first step is to download M3 BitLocker Loader for Mac from our official site.

Step 2: M3 BitLocker Loader for Mac requires Mac OS X 10.8 or later version. After downloading, find the "m3bitlockerloader.pkg" file in your Downloads folder and double-click on it.

Follow the wizard to install M3 BitLocker Loader for Mac on your Mac.

Step 3: If you are using macOS 10.13 and later version, click "Ok" to allow system extension when prompted.

Allow system extension

Open System Preferences > Security & Privacy > General tab as below.

Mac computer security privacy settings

Click Lock button to unlock and then click Allow button on "System software from developer "Benjamin Fleischer" was blocked from loading"

Step 4: Once M3 BitLocker Loader for Mac is installed, go to Applications folder and launch M3 BitLocker Loader for Mac.

Launch M3 BitLocker Loader for Mac

If you are using macOS 10.15, open System Preferences > Security & Privacy > Privacy > Full Disk Access and allow M3 BitLocker Loader.

Full disk access

Full disk access M3 BitLocker Loader

Step 5: Insert a BitLocker encrypted USB drive into your Mac.

M3 BitLocker Loader for Mac requires a healthy BitLocker encrypted USB drive. If your BitLocker drive has been corrupted, try M3 BitLocker Recovery to recover data from corrupted BitLocker drive.

Step 6: Click "Ignore" button when seeing a warning message as "The disk you inserted was not readable by this computer".

The disk you inserted was not readable by this computer

Step 7: Select BitLocker encrypted USB drive and then click "Open" icon to continue.

Select BitLocker encrypted drive on Mac

Step 8: Enter the password or recovery key and click "Unlock" to mount this BitLocker encrypted drive.

Mount BitLocker encrypted drive on Mac

Notes:

1. If it is BitLocker encrypted OS drive, the recovery key is only way to unlock this drive on your Mac.
2. If you lost the password and 48-digit recovery key, M3 BitLocker Loader for Mac won't break into your BitLocker drive.
3. If you forgot the password to unlock this BitLocker drive, refer to how to unlock BitLocker drive without password and recovery key.

Step 9: After unlocking this BitLocker encrypted USB drive, it will be mounted in read-write mode. Then you can operate this BitLocker encrypted USB drive in Finder like a Mac's native drive. For example, read, write, copy, delete, edit, rename.

Open/Access BitLocker encrypted drive on Mac

The files will not be protected by BitLocker any more once they leave from BitLocker encrypted USB drive. And the files will be automatically encrypted after copying them to BitLocker encrypted USB drive.

Step 10: In the main interface, click "Lock" button to lock BitLocker encrypted USB drive after completing read and write operations.

Step 11: In the main interface, click "Eject" button to safely eject BitLocker encrypted USB drive from your Mac computer.

Eject BitLocker encrypted drive in M3 BitLocker Loader for Mac

Please don't unplug BitLocker encrypted USB drive from your Mac computer in case of any disaster. Remember safe ejection is very important.

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 Mac.

1. Read/write a BitLocker encrypted drive on your Mac

M3 BitLocker Loader for Mac can easily open a BitLocker encrypted drive and then enable to read/write it on Mac. However, the password or recovery key is required.

M3 BitLocker Loader for Mac supports USB drive, flash drive, external hard drive, pen drive, thumb drive, memory stick, etc.

M3 BitLocker Loader for Mac supports macOS Big Sur 11/Catalina 10.15/10.14/10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8.

It is fully compatible with Mac Mini, Mac Pro, MacBook, MacBook Pro, MacBook Air, iMac or iMac Pro.

2. Use BitLocker to encrypt an external drive on your Mac

Besides to read and write BitLocker drive on Mac, M3 BitLocker Loader for Mac has a disk encryption feature. It can encrypt external drive on Mac OS X 10.11 and later version.

The file system of an external drive must be NTFS, FAT32 or exFAT when encrypting with M3 BitLocker Loader for Mac.

Follow below steps to use BitLocker to encrypt a USB drive on your 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 of M3 BitLocker Loader for Mac.

M3 BitLocker Loader for Mac

Step 5: After seeing the USB drive, click Encrypt button located this USB drive.

Encrypt drive with M3 BitLocker Loader for Mac

Step 6: Enter the password. It is used to encrypt USB drive and then unlock BitLocker USB drive later.

Enter the password

Step 7: Save the recovery key.

Save the recovery key

Step 8: BitLocker drive encryption will take a while. Once it is completed, your USB drive will be protected by BitLocker.

Start BitLocker drive encryption on Mac

Actually there is no program installed on your USB drive, so you don't need to worry about your data security.

After encrypting USB drive, you can use M3 BitLocker Loader for Mac to read/write BitLocker encrypted USB drive on your Mac.

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

Now, you can access a BitLocker encrypted USB drive on any Windows computer without the 3rd-party software. What's more, BitLocker encrypted USB drive can be opened on Linux with M3 BitLocker Loader for Linux.

How to decrypt or turn off BitLocker on your Mac?

Although M3 BitLocker Loader for Mac doesn't have "turn off BitLocker" function, but you can remove BitLocker encryption with following method:

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

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: In Disk Utility, click "Erase" on the top menu and then remove BitLocker encryption from USB drive.

Erase BitLocker encrypted USB drive on Mac

How to format a BitLocker encrypted USB drive?

For Mac

Step 1: Install and launch M3 BitLocker Loader for Mac on your Mac.

Step 2: Enter the password to open BitLocker encrypted USB drive.

Step 3: Back up the important data.

Step 4: Format USB drive with Disk Utility. Refer to How to format USB flash 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 on BitLocker encrypted USB drive in Windows explorer and then select "Format" option to format it.

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