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How to create an encrypted .dmg archive

Here are the simple steps to create an encrypted .dmg archive to share data securely.

Updated over 2 years ago

On Mac

  1. Create a directory and put the file you want to send in it.

3. Use the Disk Utility tool to create a New Image 

4. When presented with this dialog, select Image Format as "compressed" and set Encryption to "256-bit AES encryption (more secure, but slower)":

5. Go to https://lastpass.com/generatepassword.php and create a password using the exact following settings: 

6. Click save and wait til it's finished:

7. Send the .dmg file to the Orah team via Email.

8. Ask the Orah team to give you a callback and dictate the password by phone.

On Windows
While many tools are available online, some of our customers have found the below-listed tools helpful.

  • 7zip

  • WinZip

  • WinRAR

  • B1 Free Archiver

  • PeaZip

Feel free to reach out to our Customer Support team, should you have any questions or concerns.

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