What is “testdisk” Package?

Powerful free data recovery utility
For more details: https://www.cgsecurity.org/wiki/TestDisk

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install testdisk.

  brew install testdisk

Now, use testdisk!