Mar 08, 2019 In order to encrypt and password protect your folders on Mac, you’ll need to open the Disk Utility and create a disk image of the folder. You can do this using Spotlight Search or opening Applications Utilities Disk Utility. Then, follow these steps. 1) Once you open Disk Utility, select File New Image Image from Folder from your menu. Aug 21, 2017 How to Create a Encrypted Dmg File (Mac) - Steps In the Utilities folder, open up 'Disk Utility'. At the top of the window select 'New Image'. On the window that pops up, choose all your settings. A window will then pop up. Uncheck the 'remember password. Jan 15, 2011 DMGExtractor is a Java-based application for extracting and converting Mac OS X dmg (Disk Image) file content into widely used image file formats, such as, BIN, ISO, and IMG.According to the developer, it is capable of manipulating CUDIFDiskImage based disk images while all other AES-128 encrypted disk images can also be handled.
Modifying this control will update this page automatically
Disk Utility User Guide
When you format an internal or external storage device, you can encrypt and protect it with a password. If you encrypt an internal device, you must enter a password to access the device and its information. If you encrypt an external device, you must enter the password when you connect the device to your computer.
Important: If you encrypt an external storage device, you can’t connect it to an AirPort base station for Time Machine backups.
To encrypt and protect the device with a password using Disk Utility, you must erase the device first. If the device contains files you want to save, be sure to copy them to another storage device or volume.
- If the device contains any files you want to save, copy them to another storage device or volume.
- In the Disk Utility app on your Mac, choose View > Show All Devices.
- In the sidebar, select the storage device you want to encrypt.
- Click the Erase button in the toolbar.
- Enter a name for the volume.
- Click the Scheme pop-up menu, then choose GUID Partition Map.
- Click the Format pop-up menu, then choose an encrypted file system format.
- Enter and verify a password, then click Choose.To change the password later, select the volume in the sidebar, then choose File > Change Password.
- (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK.Secure erase options are available only for some types of storage devices. If the Security Options button is not available, you can’t use Disk Utility to perform a secure erase on the storage device.Writing over the data three times meets the U.S. Department of Energy standard for securely erasing magnetic media. Writing over the data seven times meets the U.S. Department of Defense 5220-22-M standard.
- Click Erase, then click Done.
You can encrypt your data without erasing it by turning on FileVault in the Security & Privacy pane of System Preferences (see Encrypt Mac data with FileVault).
You can also encrypt a disk and protect it with a password without erasing it. See Encrypt disks or memory cards to protect your Mac information.
How To Fix Encrypted File
See alsoErase and reformat a storage device in Disk Utility on MacPartition a physical disk in Disk Utility on Mac