Compressed prop or object referenced by a model or animation created with Poser, a 3D human modeling program; may contain either geometry data or a reference to a .OBJ files that includes geometry information. Uncompressed Poser prop files use the .PP2 extension.
The PPZ file extension is associated with Microsoft PowerPoint, a worldwide most popular powerful tool you can use to create and edit dynamic and great-looking presentations. The ppz. files are packed .ppt files created with the use of the "Pack and Go" feature of Microsoft Powerpoint 97 through 2002.