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4.2.5   Change Image Passphrase…

This command lets you change the passphrase of an encrypted disk image. This is a fast operation that does not require copying the whole file or use lots of temporary disk space. To add a passphrase to an unencrypted disk image, use the Convert Image/Archive… command.

When choosing the file, you can hold down the Command or Shift key to change the passphrases of multiple images at once.

Note: Due to a bug in macOS, the Change Image Passphrase… command doesn’t work on macOS 13.3.1 through 14.2.1.

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