Note: Before you start, please don’t sync your iOS device with iTunes after you find the data loss on your device.
Step1. Scan the backup file
You just need to choose the right device backup file and click "Start Scan".
You
just need to choose the right device backup file and click "Start
Scan". - See more at:
http://www.transfer-iphone-recovery.com/extract-backup-from-iphone.html#sthash.TyQmjbIl.dpuf
Step2. Extract backup files of iPhone
At this stage, you can preview the content.
What else can iPhone Backup Extractor do?
iPhone Backup Extractor offers you two recovery modes to recover not only the lost photos, but also videos, contacts, SMS, call logs, memos and more directly from your iOS device by extracting them from iTunes backup. No matter you are using iPhone, iPad or iPod touch. Moreover, this software restores the existing data in the backup as well as the data deleted/lost from your iOS device before you made the backup, as long as they were not overwritten.
Related to: http://www.transfer-iphone-recovery.com/extract-backup-from-iphone.html