RAGE Software announced the immediate availability of RAGE Macintosh Explorer 4.5 on Tuesday. The updated version of the tabbed file browser and manager is a Universal Binary application capable of running natively on PowerPC and Intel-based Macs. It also adds a new sorting feature that supports grouping directories together when sorting files. RAGE Macintosh Explorer 4.5 is priced at US$15.95, and is available for download at the RAGE Software Web site.