I have a 10G encrypted volume bundle created with Disk Utility. I want to change it's encryption password. How can I do that?

2 Answers 2


You can use the "Change Password..." feature from the Images menu in Disk Utility. (Under the File menu in 10.7+. Hat tip to ymasood)

  • 2
    On OS X Lion, I found the 'Change Password' option under the File menu and not the Images menu in the menu bar.
    – ymasood
    Dec 6, 2011 at 5:54
  • On OS X Mountain Lion, it is still in the File menu, but grayed out – until you open the menu while holding down the Opt key.
    – ecmanaut
    Sep 20, 2013 at 22:10
  • 2
    I still have it greyed out and holding down opt isn't doing anything. Any ideas?
    – Aaron
    Sep 14, 2016 at 20:21

hdiutil chpass image

You will be prompted for the passwords.

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