I'm either old enough or out-of-touch enough that I never used Encarta. Reading the comments here, I see a lot of mention of the interactive elements and video. I generally prefer text - it's easier to search, and faster to consume. But I don't assume that my preferences are always best, so... Why was Encarta so good? Why is it good enough that we should wish we had it today? Is there some analog today that could let…
Additionally, consider that much the audience for it was people in grade school. If you were in the seventh grade in 1995, you were the perfect age to really engage with that kind of approach—which seemed awesome compared to a boring textbook.
I think in many ways, our information consumption has gotten much more dense over time. But in 1995, people would approach this like they would a nice, long magazine article. Efficiency was not the goal: It was something that hit all the senses.