As discussed in the last post, pdf (portable document format) is usually the best file format to use to put posters online. Pdf retains the formatting of the source file such that it can be viewed by someone who doesn’t have the software you used to create the poster – all he or she needs is the free Adobe Reader (downloadable from the Adobe website).
Saving files to pdf file format from PowerPoint or from InDesign is pretty straightforward. Here’s how to do it with some recent versions of Powerpoint for Mac and for Windows, and with Adobe InDesign CS6. If you have another version, the procedure will be similar even if it looks a little different.
In PowerPoint 2011 for Macintosh, choose File menu > Save As…


