I've inherited an InDesign file and I'm new to the software. I need to send an exported PDF to print a 30"x40" poster from this InDesign file. The InDesign file was designed as a simple flyer, at 8.5"x11".
How do I upscale this file so I can export it as a PDF to print this poster? Or can I use the file as is and simply export the PDF, would that produce a high enough quality file?
Any help for me is appreciated.