How to compare two Word documents

I used to compare two documents by positioning them side by side on one small screen and then manually scanning for errors, sentence by sentence. As you’d expect, that method morphed my face into an alarming scrunch, and more importantly, it was ripe for human error.  Then I learned that every word processing app I use has a built-in tool to do exactly this.  If you’re straining your eyes to spot the difference between two documents, here’s how to compare two Word documents in the desktop app. N