PowerPlugs: Transitions Combo for PowerPoint Adds eye-catching 3D effects to an entire PowerPoint presentation with just 3 clicks! Every transition includes optional synchronized sounds automatically! Over 70 unique transition effects per volume! Incredibly easy to use! Energizes your presentations with TV-style 3D transition effects! Operating System: PowerPoint 2000 - 2010, Windows 2000 - 7 (Not Mac compatible)