This program has 4 recovery modes, choose a mode according to the reason you lost your files.
Lost File Recovery
Partition Recovery
Raw Recovery
Resume Recovery
iTunes Data RecoveryLost file recovery mode allows you to recover files deleted by Command+Delete or emptied from Trash. You can also recover lost, deleted or formatted files from other storage devices like memory card, external hard drive, USB, pen drive, floppy drive, etc.
Follow the tutorial below to learn how to recover lost files.
step1. Click "Lost File Recovery" in the Home window, in the main interface, you can see all the volumes on the computer are listed there. 
Step2. Select the volume from which data have to be recovered, and then click "Scan" to start scanning.
Tips: You can scan all files all at once or scan photo, video, audio or document individually.
Step3. Check the file and preview them in the Preview window. Then click "Recover" to get back the file.
Step4. Specify location where recovered files/folders have to be saved.
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