PowerPoint presentation processing. Format: .pptx (ZIP/XML structure). Capabilities: create presentations, edit slides, layouts/masters, speaker notes, comments, shapes, images, charts, text extraction, template preservation. Actions: create, edit, analyze, extract from presentations. Keywords: PowerPoint, pptx, presentation, slide, layout, master slide, speaker notes, comments, shapes, images, charts, text extraction, template, slide deck, bullet points, title slide, content slide, animation. Use when: creating presentations, editing PowerPoint files, extracting slide content, modifying layouts, adding speaker notes, working with presentation templates.