step 1, Plug the flash drive in the USB-slot of the computer and launch Wondershare Data Recovery (Mac)
step 2, Select the Lost File Recovery
step 3, Select the Drive where you lost your data (the flash drive)
step 4, Select the file types to recover (or all)
step 5, Whether a Deep Scan or Raw file reocovery is needed?
step 6, Start to scan
step 7, Preview the founded files and select the ones you want to recover
step 8, Click “Recover” to get your lost files back