A file to store the generated presentations and Microsoft PowerPoint slide shows with the ability to edit them. It was first introduced to store the data in PowerPoint 97 Editor. Stores a set of individual slides with text, graphics, video, and audio information. The file contains information on visual effects inside the slides.
This format was developed by Apple for storing vector and bitmap images with metadata. It was the main format for the QuickDraw graphics software. PCT supports 32-bit and 24-bit images. At the moment, the format is obsolete and has been superseded by more functional solutions.