It doesn’t contain most of Word’s features, but it comes ... they are basically looking at JSON files from a tree structure view. In terms of text, they’ll be looking at the files in text ...

What is JSON (JavaScript Object Notation ... Hypertext Markup Language is a text-based approach to describing how content contained within an HTML file is structured. This markup tells a web browser ...

which can happily load very large text files. Once loaded, delete the text up to the first "[". That's the start of a JSON list block, and all the content after it is the JSON documents that ...