Actually, it's zipped, not corrupted. The website did that automatically when I uploaded it. I just checked it, and my machine unzipped it and displayed it correctly.
And thank you, Kristinn, for posting this!
I was thinking in a hazy sort of way that the documents didn't look right - because my husband was in around the same time frame - but couldn't put my finger on it. You marshalled the facts and got it out there. Well done.
file works fine for me...