Generally, Mac computer can't read and write a drive encrypted with Windows BitLocker. If you need to use the BitLocker encrypted drive on macOS, a useful tool like BitLocker Genius is exactly what you need. BitLocker Genius allows you to unlock the BitLocker encrypted drive with the open password and recovery file on macOS. So that you can use the BitLocker encrypted drive as if it were a native hard drive on Mac. With BitLocker Genius, you can easily open, read, write, access the BitLocker encrypted drive and transfer the files & folders between the drive and Mac computer.
BitLocker Genius has the features of strong compatibility and easy-using. It supports various kinds of removable storage devices (external hard drive, USB flash drive, SD card, memory card, CF card, SDHC, memory card, MicroSD memory stick and micro card) and file systems (FAT32, exFAT and NTFS). It can work on all macOS platforms including macOS 10.14/10.13/10.12 and Mac OS X 10.11/10.10/10.9/10.8/10.7, etc.
Moreover, the .dmg file is image file of Mac OS, which is equal to the ISO file of Windows operating system. By default, we cannot open the .dmg file directly and BitLocker Genius can do you a favor to open .dmg file as attach function.