Reuse existing slides
Keep an existing deck and add editable explanations.
Export PDF from PowerPoint, Keynote, Google Slides or Slidev. In Presentor choose Insert → Import existing slides, select the PDF and page range, then append it to the current document.
Each page becomes a locked PNG background. The complete original PDF is saved as an attachment. Different aspect ratios fit inside the current canvas without cutting content. Import up to 32 pages per batch.
Text, equations and shapes inside the background do not become editable objects. Add new text, equations, shapes or comments above it. Duplicate a page to explain the next step, then add a transition or object animation.
Demo slides 31–32 show this workflow: keep a flow diagram and add an explanation. Slides 28–30 cover original images, framing, color and masks. Download the original PDF from Checks → Resources; project save and reopen retain it.
Open a Presentor .pre or Markdown document for native editing. PPTX and Keynote object structures are not imported. PDF reuse preserves layout rather than claiming full format interoperability.