Read through this article to get method details about how to unlock BitLocker encrypted drive on Mac computer.
Guide Steps
Preparations:
1.Double-click the installation file of MacOS Bitlocker Reader, click Continue.

2.Click Install.

3.Wait for seconds after the installation was finished successfully, click Close to shut down installation window.

1.Open MacOS Bitlocker Reader.

2.Connect the BitLocker encrypted drive to Mac computer USB port. When it prompt "The disk you inserted was not readable by this computer", click Ignore button to continue.

3.Select a bitlocker encrypted dirve, and click Unlock button.

Unlock the BitLocker encrypted drive with two method.
Method 1: Unlock with BitLocker password
Method 2: Unlock with recovery key file
Method 1: Unlock with BitLocker password
Enter BitLocker password, and click Mount button. (The password was set when doing Bitlocker drive encryption for the USB flash drive.)

Method 2: Unlock with recovery key file
Tick on Use key file, click open button to import a recovery key file,



then click Mount button.

If forgot BitLocker password, you could unlock BitLocker encrypted drive with recovery file. The recovery file is a back-up txt file of password saved when doing BitLocker drive encryption for the USB flash drive. You should know the txt file's location so you can find it.
When the BitLocker encrypted USB flash drive is unlocked, you can see it is marked with "Unlocked from disk", and a disk icon displays on PC desktop.

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Now you are able to open,read and write the BitLocker drive, or transfer data between the BitLocker drive and Mac computer.

1.When work finished, select the bitlocker drive, and click Eject button to take out the drive safely.

Tips:
MacOS Bitlocker Reader, this software not only open Bitlocker drive on Mac, but also open/read/write removable Bitlocker external hard drive, Bitlocker SD card, Bitlocker CF card, Bitlocker Memory card, Bitlocker MicroSD memory stick and Micro card, Bitlocker SDHC, etc.
Yes, Cocosenor MacOS Bitlocker Reader can help to open dmg file.
1.Click Attach button.

2.Choose a dmg image file to attach, click Open.
