No specific info about version 3.9. Please visit the main page of iBackup Viewer on Mac Informer.
Extracts data from iTunes and iCloud backup files.
It can recover data from iTunes backup of all iDevices--iPhone, iPad and iPod.
Recover the data from iTunes backup file of iPhone, iPad and iPod Touch.
View and save files from your iPhone backup.
Recover iPhone bookmarks, calendar, contacts, SMS & MMS, photos, and videos from iTunes backups.