M3 BitLocker Loader for Mac Online Help

BitLocker for Mac > Online Help

Help Documents

Getting Started

M3 BitLocker Loader for Mac is a simple and easy-to-use app which can unlock BitLocker encrypted drive and enable to read/write BitLocker encrypted drive after user provides the password or BitLocker recovery key, encrypt external drive with BitLocker on macOS 12/11/10.15/10.14/10.13.

Supported Operating Systems

macOS 12 (Monterey), macOS 11 (Big Sur), 10.15 (Catalina), 10.14 (Mojave), 10.13 (High Sierra)

Supported file systems

NTFS, FAT32 and exFAT file systems.

Supported storage devices

Hard drive, external hard drive, USB drive, flash drive, pen drive, memory card, CF card, etc.

How to enable system extension?

If you are using macOS 10.13 High Sierra and later version, allow system extension to install the component of M3 BitLocker Loader for Mac. If you are using Apple Silicon M1 Mac, read our article: How to enable system extension on Apple Silicon M1, M1 Pro, M1 Max Mac.

Allow system extension

Open System Preferences > Security & Privacy > General tab as shown in following picture, please click the lock to unlock and then click Allow "System software from developer "Chengdu Aibo Tech Co., Ltd." was blocked from loading".

Mac computer security privacy settings

If you don't see allow option, please click "Reload it" in the setup window to reload system extension and then check if allow option appears.

Reload system extension

If the "Allow" option is still not appeared, please open /Library/Extensions/ folder, manually delete the drivers that are not in use and then reinstall M3 BitLocker Loader for Mac to try again.

Restart your Mac to complete the setup.

How to activate M3 BitLocker Loader for Mac?

Step 1: Click Activate (Key icon) button in the toolbar of M3 BitLocker Loader for Mac.

M3 BitLocker Loader for Mac

Step 2: Enter the license key and click Activate.

Activate M3 BitLocker Loader for Mac

How to open BitLocker encrypted drive on Mac?

M3 BitLocker Loader for Mac provides two options to open BitLocker encrypted drive on Mac: File manager and Volume Mounter.

M3 BitLocker Loader for Mac

Volume mounter option: Mount a BitLocker-encrypted drive in Finder as same as your Mac's native drive. With this option, you can easily open, preview, edit, delete files, etc. in Finder.

File manager option: Open a BitLocker encrypted drive with built-in file explorer. With this option, you can preview, import, export, delete, rename files, create a new folder.

Volume mounter option VS File manager option

Functions File manager option Volume mounter option
Available in trial version
Available in full version
Unlock and open BitLocker drive
Mount BitLocker drive as a Mac's native drive
View, preview, rename, delete files
Import and export files
Directly open, edit files from the unlocked BitLocker drive

How to open BitLocker drive with Volume mounter option

Step 1: Insert a BitLocker encrypted drive into your Mac.

M3 BitLocker Loader for Mac

Step 2: Click "Open" icon in M3 BitLocker Loader for Mac.

M3 BitLocker Loader for Mac

Step 3: Select "Volume mounter" option.

Choose volume mounter option in M3 BitLocker Loader for Mac

If you have not enabled system extension before choosing this option, you will be prompted to allow system extension.

Step 4: Enter the password (or 48-digit BitLocker recovery key) and click "Unlock" to mount BitLocker encrypted drive on your Mac.

If the password and recovery key are lost or unknown, M3 BitLocker Loader for Mac cannot break into BitLocker encrypted drive and access data, please refer to how to unlock BitLocker encrypted drive without password and recovery key?

"Remember this passoword in my keychain" option would save the password in an encrypted file so that you can retreive the password after forgetting it.

Step 5: After mounting the BitLocker encrypted drive on your Mac, it will be automatically opened in Finder, you can operate this BitLocker encrypted drive as same as your Mac's native drive, including open, preview, read, write, edit, delete, tag files, airdrop files, sync files, drag files, etc.

Mount BitLocker drive on Mac with M3 BitLocker Loader for Mac

Step 6: After completing any operations with M3 BitLocker Loader for Mac, please click "Lock" button in M3 BitLocker Loader for Mac main interface to lock the BitLocker encrypted drive and then click "Eject" button to safely remove it from your Mac.

How to open BitLocker drive with File manager option

Step 1: Insert a BitLocker encrypted drive into your Mac.

M3 BitLocker Loader for Mac

Step 2: Click "Open" icon in M3 BitLocker Loader for Mac.

M3 BitLocker Loader for Mac

Step 3: Choose "File manager" option.

Choose file manager option in M3 BitLocker Loader for Mac

Step 4: Enter the password (or 48-digit BitLocker recovery key) and click "Unlock" to open BitLocker encrypted drive.

If the password and recovery key are lost or unknown, M3 BitLocker Loader for Mac cannot break into BitLocker encrypted drive and access data, please refer to how to unlock BitLocker encrypted drive without password and recovery key?

"Remember this passoword in my keychain" option would save the password in an encrypted file so that you can retreive the password after forgetting it.

Step 5: After opening BitLocker drive, M3 BitLocker Loader for Mac will list the files stored in your BitLocker drive.

Open BitLocker drive with file manager option built-in M3 BitLocker Loader for Mac

Step 6: After seeing the files, you can preview, import, export, delete, rename files, create a new folder. If you want to open files you expect, please export them and then open them in Finder.

Operate files with file manager option built-in M3 BitLocker Loader for Mac

How to encrypt an external drive with BitLocker on Mac?

Preconditions for using BitLocker drive encryption on Mac

1. Prepare for an external drive, such as USB drive, flash drive, external hard drive.

2. The file system of the external drive must be NTFS, FAT32 or exFAT.

3. BitLocker drive encryption requires macOS 10.13 and later version.

Tutorial to encrypt drive with BitLocker on Mac.

Step 1: Download and install M3 BitLocker Loader for Mac latest version.

Step 2: Insert an external drive (such as external hard drive, USB drive, flash drive) into Mac computer.

Step 3: Launch M3 BitLocker Loader for Mac.

Step 4: Click "Encrypt" button in toolbar.

M3 BitLocker Loader for Mac

Step 5: Select the partition which you want to encrypt and click Encrypt.

Encrypt drive with M3 BitLocker Loader for Mac

Step 6: Enter the password.

Step 7: Save the recovery key.

Step 8: Complete BitLocker drive encryption.

Preferences:

General tab - Check for updates automatically; Show program icon in status bar; Automatically open drive after unlocking; Language setting.

Notification tab - Notify when locking BitLocker encrypted drive; Notify when ejecting BitLocker encrypted drive; Notify when unlocking BitLocker encrypted drive; Notify when detecting BitLocker encrypted drive.

Advanced tab - Lock BitLocker encrypted drive on sleep; Automatically unlock drive after password is saved; Default volume mount mode: read-write mode (read-only mode).

How to quit M3 BitLocker Loader for Mac

Click "M3 BitLocker Loader" on the left top of the menu bar and then select "Quit".

M3 BitLocker Loader for Mac

How to remove/uninstall M3 BitLocker Loader for Mac from Mac computer?

Open Applications folder, find M3 BitLocker Loader, drag it to Trash and complete the uninstallation.