iBackup Extractor can create a backup of your iOS device on your computer, as detailed in the User Guide.Free iBackup Extractor Download for PC Free iBackup Extractor Download for Mac
Alternatively, use iTunes to create a backup. When you connect your iPod Touch, iPad or iPhone to iTunes on your computer, iTunes will perform a backup of all the data on your device. Using iBackup Extractor you can browse and extract the information held within these backup archives.
However, your iTunes preferences may not be set to produce these backups by default. With iTunes you can set up automatic device backup to your computer or manually start a device backup yourself.
It is possible to make iTunes perform a back up of your iPhone, iPad or iPod Touch on demand.
iTunes will create a back up of your iOS data. Once complete - restart iBackup Extractor to read and retrieve content from this backup.
You can set your preferences in iTunes so that iTunes will automatically backup your iOS data every time you sync your device to iTunes.