A POTM file is a macro-enabled presentation template created by Microsoft PowerPoint, a program used for creating slide show presentations. It contains default images, slide templates, macros, and formatting. POTM files are used to create multiple .PPTM files with the same formatting and macro settings.
This is an image format that can be transmitted over analog broadcasting channels. It has a 16-bit structure, and it is transmitted using a three-component YUV color model. One component is responsible for brightness, and the remaining two account for differences in color.