DMG file format is basically disk image files whose primary purpose is to installing programs on Mac computers but because of their superior compression and encryption support they are also used for file compression.
Primary software use for Windows Users:
So basically the DMG Viewer will take care of you whenever you have a dmg file on Windows Environment. No matter if it is corrupted, it will show you all the emails perfectly. Deleted emails recovery is also possible via the tool.
The software is designed for Microsoft OS users who somehow received emails in .dmg file (typically from mac user) and want to extract it and view emails inside the encrypted .dmg file.
Mac uses mostly uses apple mail which store emails emlx (sometime in mbox and eml as well) so if you have friend who uses mac and wants to securely send you mails they are most likely going to send it by compressing those emlx within .dmg format. DMG works similar as Zip or RAR would do in Windows
The software works on all windows version from XP, Vista, Windows 7 all the way to 8 and 8.1
Yes absolutely, the software allows multiple file scanning at a time, so you will be able to browse all the email files that exists within all those compressed dmg file