1 - Impression 3.3 Impression is a straightforward, reliable backup application that can back up directories to (and restore them from) multiple optical discs (CD-R, CD-RW, DVD-R and DVD-RW) or disk images on any mounted hard drive (i.e. - iPod, FireWire drive, Network server, etc.). License: Shareware OS: Mac OS X 10.3 Size: 5 MB