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Can someone with Adobe #Indesign help me out?

I've got some old .indd files from college that I want to put on my portfolio website, but I can't convert them to PDF without having InDesign or signing up for the Adobe mafia's Acrobat subscription service.

In all fairness, I don't even know what they look like. I don't remember what the assignment was, or even if these are worth trying to preserve to a portfolio—