.CDR file runs an installer; what is this file of CorelDraw or an installer image

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I have a file that my friend lent me from his computer it is the MAC OS X dvd and when i open up the file it cannot open file is unknown, the file is a .CDR File, i tried searching this in google etc, it comes up with CorelDRAW as the program for opening the file, how is that possible when it is an installer, i want to be able to use it to install the os on my pc, any help would be good, thanks


Hi there.

Actually, the file with extension .cdr is an image file, similar to an .iso file.

It’s created by Mac’s own Disk Utility program.


Use that program to mount the image and run it’s contents.

Disk Utility can be found in the Utilities folder inside the Applications folder.

Hope this helps.

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One comment

  1. If you want to install OS X on some non-Mac hardware there are some extra steps. You’ll need to do some homework. Check the link below.

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