Files with ppc extension were used by Breeze utility. Now they are associated with Adobe Acrobat Connect program.
PPC file extension - Macromedia BreezePlug-in for PowerPoint sync file
What is ppc file? How to open ppc files?
File type specification:
The ppc file extension is associated with Breeze, a software used to create information and general presentations, online training materials, web conferencing, learning modules, and user desktop sharing, by Macromedia. Adobe System later acquired Macromedia and the successor product is known as Adobe Acrobat Connect.