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format file img

What is an img file and how do I open an img file?

IMG is the extension used for Mac disk image files. An IMG contains an exact copy of every bit of data from a floppy disk, CD or DVD. IMG files can be mounted and treated exactly like an inserted disk as a virtual hard disk drive. Macintosh disk image files can also be used as virtual optical drives like DVD and CD drives. Mac OS 9 and older versions are integrated with support for using and mounting these Macintosh disk image files. These Macintosh disk image files are saved in the IMG format and are affixed with the .img extension. IMG files are also stored with encoding specifications and implemented with file Apple's proprietary compression standards. Much like ISO files, an IMG file can sometimes be changed to an ISO file by simply replacing the .IMG extension with the .ISO extension, which will allow a user to utilize the IMG file with an image mounting program developed for Microsoft Windows-based systems. Mac OS X is also implemented with support for all use of IMG files, though newer disk image file formats are now widely used by associated applications programmed for Mac platforms. WinImage is a Windows program that can be used to extract files from an IMG.

Mac OS
Recommended img file download:
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Apple Disk Utility
Detail img file extension information:
File Type: img
File Format: Macintosh Disk Image
Primary Association: Disk Image Files
Mime Type: application/x-img, image/img
More explanations of the img extension