> PDFs are in Letter (rarely A4) You must be from North America. In the rest of the world, it’s always A4. I encounter A4 PDFs fairly often, but don’t know how

> PDFs are in Letter (rarely A4) You must be from North America. In the rest of the world, it’s always A4. I encounter A4 PDFs fairly often, but don’t know how long it would be since I encountered Letter, but easily years.