This program has 5 recovery modes, choose a mode according to the reason you lost your files.
Lost File Recovery
Partition Recovery
Raw Recovery
Resume Recovery
iTunes Data RecoveryResume recovery allows you to import previous saved scan results and recover data from the saved scan results directly, largely save the time.
Follow the tutorials below to learn how to recover data from saved scan result.
step1. Click "Resume Recovery", Select the saved scan result from Resources and then click "Open"
Step2. You can preview the file directly and check to recover the file you want. 
Tips: Data Recovery for Mac allows you to preview pictures before recovery. Just click photo file in the taskbar or double click it, you will see lost picture list in the right window.
Step3. Specify location where recovered files/folders have to be saved.
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