To get started backing up your Mac and taking a snapshot with all of the contents of your hard drive, start Disk Drill. Click "Backup" option from the upper menu and select "Backup into DMG image" option. Read the instructions offered by Disk Drill and follow its prompts to create a byte-to-byte disk image of a drive.
First choose the drive or partition to backup and then set the location to save backup file. Click "Save" and after backup is created use Disk Drill's "Attach Disk Image"
to mount the created DMG file.
Now that you know how to backup files on Mac, consider a constant protection of any little changes of big importance with the help of Disk Drill's Guaranteed Recovery, Recovery Vault, and S.M.A.R.T. monitoring. These features ensure that all your data is kept safe and no little change is left unguarded.
Use Deep Scan feature for those times when there is hardly any file structure left. Disk Drill will scan through the raw data on your hard drive no matter if it is FAT, or NTFS, or something else. It will work file fragments into a single structure and will look for the binary signature of the lost files. Once Disk Drill recognizes a sought for file signature, XLS, DOC, AVI, MP4, JPG, and other formats recovery goes quite fast.