In Mac the disk image is a file that contains all of the contents and the structure of your storage device. Creating disk image is the most convenient method of backing up your precious data stored on the hard drive. There are several different file formats used to create the image of hard drive in Mac and .DMG is the most popular among them.
A .DMG (short for Disk Image) file allows you to have safe password protection and file compression and thus serves both file distribution and security functions. When you open the .DMG file, it is mounted as a drive in Finder. You can easily create .DMG files using tools that are included in Mac OS such as Disk Utility in Mac OS X 10.5, 10.4 and 10.3. You can also manage the .DMG files through command line using hdiutil tool.
Creating disk image is the best option to prevent data loss but sometimes when you try to mount the disk image for accessing data from it, you might encounter the following error message: "The disk image you are opening may be damaged and could damage your system. Are you sure you want to open this disk image?"
Mac OS X detects the damaged disk image before mounting it as the damaged image could results into the data loss. In such situations, you can not restore your data from the .DMG file and thus you need to go for Mac Data Recovery to fix the problem. Mac Data Recovery is the process of scanning your hard drive for extracting the missing, lost or inaccessible data from it.
It is potential in most of the data loss situations and helps you to save you business critical and personal data. You can perform Mac Data Recovery in an easy, safe, quick and automated way using powerful and advanced Mac Recovery software such as Mac Data Recovery. This Mac Recovery software is capable of fixing most of the logical Mac data loss situations.
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