Kindly attach the optical disc to your Mac then open Stellar Mac Data Recovery
software and follow the below-mentioned steps:
Step 1) Select Start New Scan option from the main interface screen. All optical discs attached to your Mac will be listed in the left pane of the software window.
Step 2) Select the disc from which you want to recover the data. Now click on Optical Media Recovery scanning method available in the software.
Step 3) Click on Start Scan button to start the scanning process. Software will scan and display all the lost data from the optical disc in a tree view.
Step 4) Select the files & folders that you want to recover. Click on Recover button or right click on files / folders then click on Recover option to recover the selected files / folders.
Step 5) Specify the location where you want to save the recovered data. Files and folders will be saved at the specified location.