The Domino Optimizer is a Domino application and add-in that intelligently schedules and optimizes all aspects of database maintenance. It includes a Domino-specific database defragmentation engine and provides a scheduler and UI for DBMT. It helps reduce future fragmentation and I/O, increasing performance. The Optimizer is easy to install, supports Windows file systems, and extends DBMT with new features like intelligently excluding databases that don't need compacting.