BlackBerry Desktop Manager is the software most users will install. I contains Backup and Restore, Synchronize and Applications Loader.
Applications Loader is the actual program that install new software to the BlackBerry. It is also independently installed when you install BlackBerry OS software.
The default setting in Applications Loader begin with a full backup (3 party software included), installation of software then a restore of the data and applications.
The file is called LoaderBackup-(date).IPD, located in Documents/My Documents.