In the Disk Utility app on your Mac, select a disk, volume, or connected device in the sidebar. Compressed: Compresses data, so the disk image is smaller than the original data. The disk image is read-only. The disk image may not serve as a reliable backup.
You can create a disk image that contains the contents of a folder or connected device, such as a USB device. In the Finder , copy the documents you want to protect to the disk image.
To access the data in a disk image, double-click it. It appears on your desktop, and you can add, remove, and edit files on it just as you would with a disk. Create a blank disk image for storage You can create an empty disk image, add data to it, then use it to create disks, CDs, or DVDs.
Create a blank disk image for storage
Enter a filename for the disk image, add tags if necessary, then choose where to save it. In the Name field, enter the name for the disk image.
In the Size field, enter a size for the disk image. Click the Format pop-up menu, then choose the format for the disk: If the disk image will be used with a Mac that has a solid state drive SSD and uses macOS To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.
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Click the Partitions pop-up menu, then choose a partition layout. Click the Image Format pop-up menu, then choose an option: Sparse bundle disk image: Same as a sparse disk image below , but the directory data for the image is stored differently.
How To Make A Bootable macOS Installer On An External Drive - Macworld UK
Click Save, then click Done. Why Paragon Rescue Kit for Mac? Key Features and Benefits Features Benefits Bootable USB-flash or external hard drive Whatever disaster strikes your hard drive, your bootable recovery media will help you out.
Set of powerful tools Back up and restore entire disks or files needed, undelete partitions, configurate your network, fix boot problems and many more. Exceptional ease of use Intuitive and efficient handling through our user-friendly interface.
High performance Get high performance and minimal system overhead. Download the Recovery Media Builder. Read the Announcement on the Welcome page and click the "Continue" button. Select the device to create a bootable media USB flash media or an external hard drive. The operation completed successfully.